124928115 has 64 divisors (see below), whose sum is σ = 225662976. Its totient is φ = 58609152.

The previous prime is 124928113. The next prime is 124928117. The reversal of 124928115 is 511829421.

It is an interprime number because it is at equal distance from previous prime (124928113) and next prime (124928117).

It is not a de Polignac number, because 124928115 - 2¹ = 124928113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124928113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 393937 + ... + 394253.

It is an arithmetic number, because the mean of its divisors is an integer number (3525984).

Almost surely, 2^124928115 is an apocalyptic number.

124928115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

124928115 is a deficient number, since it is larger than the sum of its proper divisors (100734861).

124928115 is a wasteful number, since it uses less digits than its factorization.

124928115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 5760, while the sum is 33.

The square root of 124928115 is about 11177.1246302437. The cubic root of 124928115 is about 499.9041349543.

The spelling of 124928115 in words is "one hundred twenty-four million, nine hundred twenty-eight thousand, one hundred fifteen".