125732869834 has 16 divisors (see below), whose sum is σ = 221571211680. Its totient is φ = 52755050160.

The previous prime is 125732869817. The next prime is 125732869877. The reversal of 125732869834 is 438968237521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219812424 + ... + 219812995.

It is an arithmetic number, because the mean of its divisors is an integer number (13848200730).

Almost surely, 2^125732869834 is an apocalyptic number.

125732869834 is a deficient number, since it is larger than the sum of its proper divisors (95838341846).

125732869834 is a wasteful number, since it uses less digits than its factorization.

125732869834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439625445.

The product of its digits is 17418240, while the sum is 58.

The spelling of 125732869834 in words is "one hundred twenty-five billion, seven hundred thirty-two million, eight hundred sixty-nine thousand, eight hundred thirty-four".