124402142 has 8 divisors (see below), whose sum is σ = 187132896. Its totient is φ = 62024512.

The previous prime is 124402127. The next prime is 124402171. The reversal of 124402142 is 241204421.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 87398 + ... + 88809.

It is an arithmetic number, because the mean of its divisors is an integer number (23391612).

Almost surely, 2^124402142 is an apocalyptic number.

124402142 is a deficient number, since it is larger than the sum of its proper divisors (62730754).

124402142 is a wasteful number, since it uses less digits than its factorization.

124402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176562.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 124402142 is about 11153.5708183523. The cubic root of 124402142 is about 499.2015817352.

Adding to 124402142 its reverse (241204421), we get a palindrome (365606563).

The spelling of 124402142 in words is "one hundred twenty-four million, four hundred two thousand, one hundred forty-two".