1031241420 has 144 divisors (see below), whose sum is σ = 3613323168. Its totient is φ = 235284480.

The previous prime is 1031241401. The next prime is 1031241427. The reversal of 1031241420 is 241421301.

1031241420 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 241 + 420 = 666.

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 = 1031241393 and 1031241402.

It is not an unprimeable number, because it can be changed into a prime (1031241427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18342 + ... + 48978.

It is an arithmetic number, because the mean of its divisors is an integer number (25092522).

Almost surely, 2^1031241420 is an apocalyptic number.

1031241420 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 1031241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806661584).

1031241420 is an abundant number, since it is smaller than the sum of its proper divisors (2582081748).

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

1031241420 is a wasteful number, since it uses less digits than its factorization.

1031241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30680 (or 30675 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1031241420 is about 32112.9478559661. The cubic root of 1031241420 is about 1010.3072032214.

Adding to 1031241420 its reverse (241421301), we get a palindrome (1272662721).

The spelling of 1031241420 in words is "one billion, thirty-one million, two hundred forty-one thousand, four hundred twenty".