1257870104 has 16 divisors (see below), whose sum is σ = 2363563800. Its totient is φ = 627586432.

The previous prime is 1257870073. The next prime is 1257870139. The reversal of 1257870104 is 4010787521.

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, 164609 + ... + 172080.

Almost surely, 2^1257870104 is an apocalyptic number.

It is an amenable number.

1257870104 is a deficient number, since it is larger than the sum of its proper divisors (1105693696).

1257870104 is a wasteful number, since it uses less digits than its factorization.

1257870104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337162 (or 337158 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1257870104 is about 35466.4644981707. The cubic root of 1257870104 is about 1079.4733669286.

The spelling of 1257870104 in words is "one billion, two hundred fifty-seven million, eight hundred seventy thousand, one hundred four".