124012142 has 8 divisors (see below), whose sum is σ = 186408000. Its totient is φ = 61876144.

The previous prime is 124012139. The next prime is 124012157. The reversal of 124012142 is 241210421.

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

It is a super-2 number, since 2×124012142² = 30758022726856328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124012142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63767 + ... + 65682.

It is an arithmetic number, because the mean of its divisors is an integer number (23301000).

Almost surely, 2^124012142 is an apocalyptic number.

124012142 is a deficient number, since it is larger than the sum of its proper divisors (62395858).

124012142 is a wasteful number, since it uses less digits than its factorization.

124012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129930.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 124012142 is about 11136.0739042088. The cubic root of 124012142 is about 498.6793709488.

Adding to 124012142 its reverse (241210421), we get a palindrome (365222563).

The spelling of 124012142 in words is "one hundred twenty-four million, twelve thousand, one hundred forty-two".