125449672 has 16 divisors (see below), whose sum is σ = 239075100. Its totient is φ = 61696320.

The previous prime is 125449669. The next prime is 125449691. The reversal of 125449672 is 276944521.

It can be written as a sum of positive squares in 2 ways, for example, as 75238276 + 50211396 = 8674^2 + 7086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128047 + ... + 129022.

Almost surely, 2^125449672 is an apocalyptic number.

It is an amenable number.

125449672 is a deficient number, since it is larger than the sum of its proper divisors (113625428).

125449672 is a wasteful number, since it uses less digits than its factorization.

125449672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257136 (or 257132 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 125449672 is about 11200.4317773914. The cubic root of 125449672 is about 500.5988451493.

The spelling of 125449672 in words is "one hundred twenty-five million, four hundred forty-nine thousand, six hundred seventy-two".