125687507007 has 8 divisors (see below), whose sum is σ = 168206330160. Its totient is φ = 83480177600.

The previous prime is 125687506981. The next prime is 125687507009. The reversal of 125687507007 is 700705786521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125687507007 - 2¹¹ = 125687504959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125687507009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77872494 + ... + 77874107.

It is an arithmetic number, because the mean of its divisors is an integer number (21025791270).

Almost surely, 2^125687507007 is an apocalyptic number.

125687507007 is a deficient number, since it is larger than the sum of its proper divisors (42518823153).

125687507007 is a wasteful number, since it uses less digits than its factorization.

125687507007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155746873.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 125687507007 in words is "one hundred twenty-five billion, six hundred eighty-seven million, five hundred seven thousand, seven".