125844694087 has 24 divisors (see below), whose sum is σ = 148474409856. Its totient is φ = 106333129728.

The previous prime is 125844694057. The next prime is 125844694133. The reversal of 125844694087 is 780496448521.

It is a de Polignac number, because none of the positive numbers 2^k-125844694087 is a prime.

It is a super-2 number, since 2×125844694087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125844694057) 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, 7657303 + ... + 7673719.

It is an arithmetic number, because the mean of its divisors is an integer number (6186433744).

Almost surely, 2^125844694087 is an apocalyptic number.

125844694087 is a deficient number, since it is larger than the sum of its proper divisors (22629715769).

125844694087 is a wasteful number, since it uses less digits than its factorization.

125844694087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18647 (or 18640 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 125844694087 in words is "one hundred twenty-five billion, eight hundred forty-four million, six hundred ninety-four thousand, eighty-seven".