125465566 has 8 divisors (see below), whose sum is σ = 188577000. Its totient is φ = 62606568.

The previous prime is 125465563. The next prime is 125465579. The reversal of 125465566 is 665564521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125465563) by changing a digit.

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, 61861 + ... + 63856.

It is an arithmetic number, because the mean of its divisors is an integer number (23572125).

Almost surely, 2^125465566 is an apocalyptic number.

125465566 is a deficient number, since it is larger than the sum of its proper divisors (63111434).

125465566 is a wasteful number, since it uses less digits than its factorization.

125465566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126218.

The product of its digits is 216000, while the sum is 40.

The square root of 125465566 is about 11201.1412811374. The cubic root of 125465566 is about 500.6199855847.

The spelling of 125465566 in words is "one hundred twenty-five million, four hundred sixty-five thousand, five hundred sixty-six".