124102989 has 8 divisors (see below), whose sum is σ = 183856320. Its totient is φ = 82735308.

The previous prime is 124102969. The next prime is 124102997. The reversal of 124102989 is 989201421.

It is not a de Polignac number, because 124102989 - 2¹¹ = 124100941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124102969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298177 + ... + 2298230.

It is an arithmetic number, because the mean of its divisors is an integer number (22982040).

Almost surely, 2^124102989 is an apocalyptic number.

It is an amenable number.

124102989 is a deficient number, since it is larger than the sum of its proper divisors (59753331).

124102989 is an equidigital number, since it uses as much as digits as its factorization.

124102989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596416 (or 4596410 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 124102989 is about 11140.1521084768. The cubic root of 124102989 is about 498.8011129707.

The spelling of 124102989 in words is "one hundred twenty-four million, one hundred two thousand, nine hundred eighty-nine".