1257412701 has 24 divisors (see below), whose sum is σ = 1789097760. Its totient is φ = 785366272.

The previous prime is 1257412687. The next prime is 1257412727. The reversal of 1257412701 is 1072147521.

It is not a de Polignac number, because 1257412701 - 2¹³ = 1257404509 is a prime.

It is a super-2 number, since 2×1257412701² = 3162173401272230802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257412781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193615 + ... + 200003.

It is an arithmetic number, because the mean of its divisors is an integer number (74545740).

Almost surely, 2^1257412701 is an apocalyptic number.

It is an amenable number.

1257412701 is a deficient number, since it is larger than the sum of its proper divisors (531685059).

1257412701 is a wasteful number, since it uses less digits than its factorization.

1257412701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1257412701 is about 35460.0155245313. The cubic root of 1257412701 is about 1079.3425070422.

The spelling of 1257412701 in words is "one billion, two hundred fifty-seven million, four hundred twelve thousand, seven hundred one".