1257970032 has 60 divisors (see below), whose sum is σ = 3840625464. Its totient is φ = 381202560.

The previous prime is 1257970013. The next prime is 1257970037. The reversal of 1257970032 is 2300797521.

1257970032 is a `hidden beast` number, since 12 + 579 + 70 + 0 + 3 + 2 = 666.

1257970032 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257970037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395503 + ... + 398670.

Almost surely, 2^1257970032 is an apocalyptic number.

1257970032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1257970032 is an abundant number, since it is smaller than the sum of its proper divisors (2582655432).

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

1257970032 is a wasteful number, since it uses less digits than its factorization.

1257970032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794198 (or 794189 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 1257970032 is about 35467.8732376217. The cubic root of 1257970032 is about 1079.5019514271.

The spelling of 1257970032 in words is "one billion, two hundred fifty-seven million, nine hundred seventy thousand, thirty-two".