1256038060 has 12 divisors (see below), whose sum is σ = 2637679968. Its totient is φ = 502415216.

The previous prime is 1256038031. The next prime is 1256038061. The reversal of 1256038060 is 608306521.

It is not an unprimeable number, because it can be changed into a prime (1256038061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31400932 + ... + 31400971.

It is an arithmetic number, because the mean of its divisors is an integer number (219806664).

Almost surely, 2^1256038060 is an apocalyptic number.

1256038060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1256038060 is an abundant number, since it is smaller than the sum of its proper divisors (1381641908).

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

1256038060 is a wasteful number, since it uses less digits than its factorization.

1256038060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62801912 (or 62801910 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1256038060 is about 35440.6272517855. The cubic root of 1256038060 is about 1078.9490405034.

The spelling of 1256038060 in words is "one billion, two hundred fifty-six million, thirty-eight thousand, sixty".