125539404 has 24 divisors (see below), whose sum is σ = 298453680. Its totient is φ = 41056704.

The previous prime is 125539369. The next prime is 125539423. The reversal of 125539404 is 404935521.

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, 98059 + ... + 99330.

It is an arithmetic number, because the mean of its divisors is an integer number (12435570).

Almost surely, 2^125539404 is an apocalyptic number.

It is an amenable number.

125539404 is an abundant number, since it is smaller than the sum of its proper divisors (172914276).

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

125539404 is a wasteful number, since it uses less digits than its factorization.

125539404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197449 (or 197447 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 125539404 is about 11204.4367997682. The cubic root of 125539404 is about 500.7181732937.

The spelling of 125539404 in words is "one hundred twenty-five million, five hundred thirty-nine thousand, four hundred four".