124720998 has 16 divisors (see below), whose sum is σ = 257488896. Its totient is φ = 40232520.

The previous prime is 124720991. The next prime is 124721021. The reversal of 124720998 is 899027421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124720991) 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 7 ways as a sum of consecutive naturals, for example, 335086 + ... + 335457.

It is an arithmetic number, because the mean of its divisors is an integer number (16093056).

Almost surely, 2^124720998 is an apocalyptic number.

124720998 is an abundant number, since it is smaller than the sum of its proper divisors (132767898).

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

124720998 is a wasteful number, since it uses less digits than its factorization.

124720998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670579.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 124720998 is about 11167.8555685503. The cubic root of 124720998 is about 499.6277202177.

The spelling of 124720998 in words is "one hundred twenty-four million, seven hundred twenty thousand, nine hundred ninety-eight".