125644466 has 8 divisors (see below), whose sum is σ = 188514540. Its totient is φ = 62806288.

The previous prime is 125644439. The next prime is 125644471. The reversal of 125644466 is 664446521.

It can be written as a sum of positive squares in 2 ways, for example, as 121462441 + 4182025 = 11021^2 + 2045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 9800 + ... + 18636.

Almost surely, 2^125644466 is an apocalyptic number.

125644466 is a deficient number, since it is larger than the sum of its proper divisors (62870074).

125644466 is an equidigital number, since it uses as much as digits as its factorization.

125644466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948.

The product of its digits is 138240, while the sum is 38.

The square root of 125644466 is about 11209.1242298406. The cubic root of 125644466 is about 500.8578154636.

The spelling of 125644466 in words is "one hundred twenty-five million, six hundred forty-four thousand, four hundred sixty-six".