125726984 has 8 divisors (see below), whose sum is σ = 235738110. Its totient is φ = 62863488.

The previous prime is 125726959. The next prime is 125727011. The reversal of 125726984 is 489627521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91738084 + 33988900 = 9578^2 + 5830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7857929 + ... + 7857944.

Almost surely, 2^125726984 is an apocalyptic number.

It is an amenable number.

125726984 is a deficient number, since it is larger than the sum of its proper divisors (110011126).

125726984 is a wasteful number, since it uses less digits than its factorization.

125726984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715879 (or 15715875 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 125726984 is about 11212.8044663233. The cubic root of 125726984 is about 500.9674389166.

The spelling of 125726984 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, nine hundred eighty-four".