99142124 has 12 divisors (see below), whose sum is σ = 174055224. Its totient is φ = 49412064.

The previous prime is 99142093. The next prime is 99142157. The reversal of 99142124 is 42124199.

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, 38342 + ... + 40845.

It is an arithmetic number, because the mean of its divisors is an integer number (14504602).

Almost surely, 2^99142124 is an apocalyptic number.

It is an amenable number.

99142124 is a deficient number, since it is larger than the sum of its proper divisors (74913100).

99142124 is a wasteful number, since it uses less digits than its factorization.

99142124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79504 (or 79502 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 99142124 is about 9957.0138093708. The cubic root of 99142124 is about 462.8277670770.

The spelling of 99142124 in words is "ninety-nine million, one hundred forty-two thousand, one hundred twenty-four".