125607940407 has 16 divisors (see below), whose sum is σ = 187161485280. Its totient is φ = 83254585536.

The previous prime is 125607940387. The next prime is 125607940411. The reversal of 125607940407 is 704049706521.

125607940407 is a `hidden beast` number, since 1 + 2 + 560 + 7 + 9 + 40 + 40 + 7 = 666.

It is not a de Polignac number, because 125607940407 - 2⁷ = 125607940279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125607940417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13440838 + ... + 13450179.

It is an arithmetic number, because the mean of its divisors is an integer number (11697592830).

Almost surely, 2^125607940407 is an apocalyptic number.

125607940407 is a deficient number, since it is larger than the sum of its proper divisors (61553544873).

125607940407 is a wasteful number, since it uses less digits than its factorization.

125607940407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26891199 (or 26891193 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 125607940407 in words is "one hundred twenty-five billion, six hundred seven million, nine hundred forty thousand, four hundred seven".