124991298 has 24 divisors (see below), whose sum is σ = 271201788. Its totient is φ = 41604192.

The previous prime is 124991297. The next prime is 124991341. The reversal of 124991298 is 892199421.

It can be written as a sum of positive squares in 2 ways, for example, as 117223929 + 7767369 = 10827^2 + 2787^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124991297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9040 + ... + 18212.

Almost surely, 2^124991298 is an apocalyptic number.

124991298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

124991298 is an abundant number, since it is smaller than the sum of its proper divisors (146210490).

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

124991298 is a wasteful number, since it uses less digits than its factorization.

124991298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9938 (or 9935 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 124991298 is about 11179.9507154549. The cubic root of 124991298 is about 499.9883970641.

The spelling of 124991298 in words is "one hundred twenty-four million, nine hundred ninety-one thousand, two hundred ninety-eight".