124643142 has 24 divisors (see below), whose sum is σ = 290834544. Its totient is φ = 38351664.

The previous prime is 124643093. The next prime is 124643143. The reversal of 124643142 is 241346421.

It is a happy number.

124643142 is a `hidden beast` number, since 1 + 2 + 4 + 643 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124643143) 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 11 ways as a sum of consecutive naturals, for example, 266098 + ... + 266565.

It is an arithmetic number, because the mean of its divisors is an integer number (12118106).

Almost surely, 2^124643142 is an apocalyptic number.

124643142 is an abundant number, since it is smaller than the sum of its proper divisors (166191402).

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

124643142 is a wasteful number, since it uses less digits than its factorization.

124643142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532684 (or 532681 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 124643142 is about 11164.3693059662. The cubic root of 124643142 is about 499.5237358222.

Adding to 124643142 its reverse (241346421), we get a palindrome (365989563).

The spelling of 124643142 in words is "one hundred twenty-four million, six hundred forty-three thousand, one hundred forty-two".