1013251056 has 20 divisors (see below), whose sum is σ = 2617565352. Its totient is φ = 337750336.

The previous prime is 1013251049. The next prime is 1013251069. The reversal of 1013251056 is 6501523101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554651 + ... + 10554746.

Almost surely, 2^1013251056 is an apocalyptic number.

1013251056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1013251056 is an abundant number, since it is smaller than the sum of its proper divisors (1604314296).

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

1013251056 is a wasteful number, since it uses less digits than its factorization.

1013251056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109408 (or 21109402 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1013251056 is about 31831.6046720865. The cubic root of 1013251056 is about 1004.3976509833.

Adding to 1013251056 its reverse (6501523101), we get a palindrome (7514774157).

The spelling of 1013251056 in words is "one billion, thirteen million, two hundred fifty-one thousand, fifty-six".