124742988 has 36 divisors (see below), whose sum is σ = 317226000. Its totient is φ = 41330016.

The previous prime is 124742963. The next prime is 124742993. The reversal of 124742988 is 889247421.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4363 + ... + 16386.

Almost surely, 2^124742988 is an apocalyptic number.

124742988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

124742988 is an abundant number, since it is smaller than the sum of its proper divisors (192483012).

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

124742988 is a wasteful number, since it uses less digits than its factorization.

124742988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926 (or 20921 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 124742988 is about 11168.8400472028. The cubic root of 124742988 is about 499.6570822019.

The spelling of 124742988 in words is "one hundred twenty-four million, seven hundred forty-two thousand, nine hundred eighty-eight".