125987946 has 32 divisors (see below), whose sum is σ = 289580928. Its totient is φ = 35795520.

The previous prime is 125987903. The next prime is 125987959. The reversal of 125987946 is 649789521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (9049404).

Almost surely, 2^125987946 is an apocalyptic number.

125987946 is an abundant number, since it is smaller than the sum of its proper divisors (163592982).

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

125987946 is a wasteful number, since it uses less digits than its factorization.

125987946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766.

The product of its digits is 1088640, while the sum is 51.

The square root of 125987946 is about 11224.4352196447. The cubic root of 125987946 is about 501.3138061365.

The spelling of 125987946 in words is "one hundred twenty-five million, nine hundred eighty-seven thousand, nine hundred forty-six".