125638226 has 16 divisors (see below), whose sum is σ = 222328320. Its totient is φ = 52107840.

The previous prime is 125638207. The next prime is 125638229. The reversal of 125638226 is 622836521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125638229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144311 + ... + 145178.

It is an arithmetic number, because the mean of its divisors is an integer number (13895520).

Almost surely, 2^125638226 is an apocalyptic number.

125638226 is a deficient number, since it is larger than the sum of its proper divisors (96690094).

125638226 is a wasteful number, since it uses less digits than its factorization.

125638226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289529.

The product of its digits is 34560, while the sum is 35.

The square root of 125638226 is about 11208.8458817132. The cubic root of 125638226 is about 500.8495238012.

The spelling of 125638226 in words is "one hundred twenty-five million, six hundred thirty-eight thousand, two hundred twenty-six".