125664116 has 12 divisors (see below), whose sum is σ = 220480260. Its totient is φ = 62669760.

The previous prime is 125664089. The next prime is 125664167. The reversal of 125664116 is 611466521.

It can be written as a sum of positive squares in 2 ways, for example, as 29702500 + 95961616 = 5450^2 + 9796^2 .

It is a super-2 number, since 2×125664116² = 31582940100122912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38825 + ... + 41936.

It is an arithmetic number, because the mean of its divisors is an integer number (18373355).

Almost surely, 2^125664116 is an apocalyptic number.

It is an amenable number.

125664116 is a deficient number, since it is larger than the sum of its proper divisors (94816144).

125664116 is a wasteful number, since it uses less digits than its factorization.

125664116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81154 (or 81152 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 125664116 is about 11210.0007136485. Note that the first 3 decimals coincide. The cubic root of 125664116 is about 500.8839244343.

It can be divided in two parts, 1256641 and 16, that multiplied together give a square (20106256 = 4484²).

The spelling of 125664116 in words is "one hundred twenty-five million, six hundred sixty-four thousand, one hundred sixteen".