125664306 has 16 divisors (see below), whose sum is σ = 266112864. Its totient is φ = 39424064.

The previous prime is 125664299. The next prime is 125664353. The reversal of 125664306 is 603466521.

125664306 = T₃₁₀ + T₃₁₁ + ... + T₉₂₁.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615900 + ... + 616103.

It is an arithmetic number, because the mean of its divisors is an integer number (16632054).

Almost surely, 2^125664306 is an apocalyptic number.

125664306 is an abundant number, since it is smaller than the sum of its proper divisors (140448558).

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

125664306 is a wasteful number, since it uses less digits than its factorization.

125664306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232025.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 125664306 is about 11210.0091882210. The cubic root of 125664306 is about 500.8841768742.

The spelling of 125664306 in words is "one hundred twenty-five million, six hundred sixty-four thousand, three hundred six".