125512406934 has 32 divisors (see below), whose sum is σ = 251554105440. Its totient is φ = 41749347072.

The previous prime is 125512406927. The next prime is 125512406939. The reversal of 125512406934 is 439604215521.

It is a super-2 number, since 2×125512406934² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125512406939) 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, 5877244 + ... + 5898560.

It is an arithmetic number, because the mean of its divisors is an integer number (7861065795).

Almost surely, 2^125512406934 is an apocalyptic number.

125512406934 is an abundant number, since it is smaller than the sum of its proper divisors (126041698506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125512406934 is a wasteful number, since it uses less digits than its factorization.

125512406934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 125512406934 in words is "one hundred twenty-five billion, five hundred twelve million, four hundred six thousand, nine hundred thirty-four".