124157412 has 18 divisors (see below), whose sum is σ = 313842438. Its totient is φ = 41385792.

The previous prime is 124157399. The next prime is 124157413. The reversal of 124157412 is 214751421.

124157412 is a `hidden beast` number, since 1 + 241 + 5 + 7 + 412 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 2143296 = 11046^2 + 1464^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (124157413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1724373 + ... + 1724444.

It is an arithmetic number, because the mean of its divisors is an integer number (17435691).

Almost surely, 2^124157412 is an apocalyptic number.

124157412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124157412 is an abundant number, since it is smaller than the sum of its proper divisors (189685026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124157412 is a wasteful number, since it uses less digits than its factorization.

124157412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448827 (or 3448822 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 124157412 is about 11142.5944914100. The cubic root of 124157412 is about 498.8740155548.

It can be divided in two parts, 1241 and 57412, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 124157412 in words is "one hundred twenty-four million, one hundred fifty-seven thousand, four hundred twelve".