125496215 has 32 divisors (see below), whose sum is σ = 170322432. Its totient is φ = 88128000.

The previous prime is 125496191. The next prime is 125496221. The reversal of 125496215 is 512694521.

It is a happy number.

It is not a de Polignac number, because 125496215 - 2⁸ = 125495959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122405 + ... + 123425.

It is an arithmetic number, because the mean of its divisors is an integer number (5322576).

Almost surely, 2^125496215 is an apocalyptic number.

125496215 is a deficient number, since it is larger than the sum of its proper divisors (44826217).

125496215 is a wasteful number, since it uses less digits than its factorization.

125496215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131.

The product of its digits is 21600, while the sum is 35.

The square root of 125496215 is about 11202.5093171128. The cubic root of 125496215 is about 500.6607464436.

The spelling of 125496215 in words is "one hundred twenty-five million, four hundred ninety-six thousand, two hundred fifteen".