125294655 has 16 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 66739488.

The previous prime is 125294651. The next prime is 125294657. The reversal of 125294655 is 556492521.

It is not a de Polignac number, because 125294655 - 2² = 125294651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125294651) 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 15 ways as a sum of consecutive naturals, for example, 8106 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (12545280).

Almost surely, 2^125294655 is an apocalyptic number.

125294655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125294655 is a deficient number, since it is larger than the sum of its proper divisors (75429825).

125294655 is an equidigital number, since it uses as much as digits as its factorization.

125294655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550.

The product of its digits is 108000, while the sum is 39.

The square root of 125294655 is about 11193.5095032791. The cubic root of 125294655 is about 500.3925650381.

The spelling of 125294655 in words is "one hundred twenty-five million, two hundred ninety-four thousand, six hundred fifty-five".