124899998 has 4 divisors (see below), whose sum is σ = 187350000. Its totient is φ = 62449998.

The previous prime is 124899997. The next prime is 124900033. The reversal of 124899998 is 899998421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124899997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31224998 + ... + 31225001.

It is an arithmetic number, because the mean of its divisors is an integer number (46837500).

Almost surely, 2^124899998 is an apocalyptic number.

124899998 is a deficient number, since it is larger than the sum of its proper divisors (62450002).

124899998 is an equidigital number, since it uses as much as digits as its factorization.

124899998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62450001.

The product of its digits is 3359232, while the sum is 59.

The square root of 124899998 is about 11175.8667672803. The cubic root of 124899998 is about 499.8666284272.

The spelling of 124899998 in words is "one hundred twenty-four million, eight hundred ninety-nine thousand, nine hundred ninety-eight".