1241421504 has 112 divisors (see below), whose sum is σ = 3447214848. Its totient is φ = 393530368.

The previous prime is 1241421497. The next prime is 1241421509. The reversal of 1241421504 is 4051241421.

1241421504 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1241421504² = 3082254701187244032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1241421509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869239 + ... + 870665.

It is an arithmetic number, because the mean of its divisors is an integer number (30778704).

Almost surely, 2^1241421504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723607424).

1241421504 is an abundant number, since it is smaller than the sum of its proper divisors (2205793344).

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

1241421504 is a wasteful number, since it uses less digits than its factorization.

1241421504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1241421504 is about 35233.8119425077. The cubic root of 1241421504 is about 1074.7474449793.

Adding to 1241421504 its reverse (4051241421), we get a palindrome (5292662925).

The spelling of 1241421504 in words is "one billion, two hundred forty-one million, four hundred twenty-one thousand, five hundred four".