124142398 has 16 divisors (see below), whose sum is σ = 199087200. Its totient is φ = 57851136.

The previous prime is 124142351. The next prime is 124142401. The reversal of 124142398 is 893241421.

It is a super-2 number, since 2×124142398² = 30822669962380808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14223 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (12442950).

Almost surely, 2^124142398 is an apocalyptic number.

124142398 is a deficient number, since it is larger than the sum of its proper divisors (74944802).

124142398 is a wasteful number, since it uses less digits than its factorization.

124142398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35571.

The product of its digits is 13824, while the sum is 34.

The square root of 124142398 is about 11141.9207500323. The cubic root of 124142398 is about 498.8539056092.

The spelling of 124142398 in words is "one hundred twenty-four million, one hundred forty-two thousand, three hundred ninety-eight".