125522566 has 16 divisors (see below), whose sum is σ = 207714528. Its totient is φ = 56520000.

The previous prime is 125522563. The next prime is 125522581. The reversal of 125522566 is 665225521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125522563) 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, 57810 + ... + 59941.

It is an arithmetic number, because the mean of its divisors is an integer number (12982158).

Almost surely, 2^125522566 is an apocalyptic number.

125522566 is a deficient number, since it is larger than the sum of its proper divisors (82191962).

125522566 is a wasteful number, since it uses less digits than its factorization.

125522566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117807.

The product of its digits is 36000, while the sum is 34.

The square root of 125522566 is about 11203.6853758038. The cubic root of 125522566 is about 500.6957859813.

The spelling of 125522566 in words is "one hundred twenty-five million, five hundred twenty-two thousand, five hundred sixty-six".