1241112420 has 144 divisors (see below), whose sum is σ = 3949086960. Its totient is φ = 315076608.

The previous prime is 1241112419. The next prime is 1241112487. The reversal of 1241112420 is 242111421.

1241112420 is a `hidden beast` number, since 1 + 241 + 1 + 1 + 2 + 420 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 37161216 + 1203951204 = 6096^2 + 34698^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1241112393 and 1241112402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379432 + ... + 382688.

It is an arithmetic number, because the mean of its divisors is an integer number (27424215).

Almost surely, 2^1241112420 is an apocalyptic number.

1241112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241112420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974543480).

1241112420 is an abundant number, since it is smaller than the sum of its proper divisors (2707974540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241112420 is a wasteful number, since it uses less digits than its factorization.

1241112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1241112420 is about 35229.4254849550. The cubic root of 1241112420 is about 1074.6582421821.

Adding to 1241112420 its reverse (242111421), we get a palindrome (1483223841).

Subtracting from 1241112420 its reverse (242111421), we obtain a palindrome (999000999).

The spelling of 1241112420 in words is "one billion, two hundred forty-one million, one hundred twelve thousand, four hundred twenty".