125449984 has 36 divisors (see below), whose sum is σ = 273180600. Its totient is φ = 57021440.

The previous prime is 125449967. The next prime is 125449991. The reversal of 125449984 is 489944521.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19459 + ... + 25090.

It is an arithmetic number, because the mean of its divisors is an integer number (7588350).

Almost surely, 2^125449984 is an apocalyptic number.

It is an amenable number.

125449984 is an abundant number, since it is smaller than the sum of its proper divisors (147730616).

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

125449984 is an equidigital number, since it uses as much as digits as its factorization.

125449984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44576 (or 44562 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 125449984 is about 11200.4457054173. The cubic root of 125449984 is about 500.5992601543.

The spelling of 125449984 in words is "one hundred twenty-five million, four hundred forty-nine thousand, nine hundred eighty-four".