124431489 has 96 divisors (see below), whose sum is σ = 237619200. Its totient is φ = 61326720.

The previous prime is 124431479. The next prime is 124431491. The reversal of 124431489 is 984134421.

It is a happy number.

It is not a de Polignac number, because 124431489 - 2⁸ = 124431233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124431409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4013904 + ... + 4013934.

It is an arithmetic number, because the mean of its divisors is an integer number (2475200).

Almost surely, 2^124431489 is an apocalyptic number.

It is an amenable number.

124431489 is a deficient number, since it is larger than the sum of its proper divisors (113187711).

124431489 is a wasteful number, since it uses less digits than its factorization.

124431489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 83 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 124431489 is about 11154.8863284213. The cubic root of 124431489 is about 499.2408332484.

The spelling of 124431489 in words is "one hundred twenty-four million, four hundred thirty-one thousand, four hundred eighty-nine".