24120989 has 8 divisors (see below), whose sum is σ = 24710400. Its totient is φ = 23536656.

The previous prime is 24120973. The next prime is 24121021. The reversal of 24120989 is 98902142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24120989 - 2⁴ = 24120973 is a prime.

It is a super-2 number, since 2×24120989² = 1163644220676242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24120959) 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, 9404 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^24120989 is an apocalyptic number.

It is an amenable number.

24120989 is a deficient number, since it is larger than the sum of its proper divisors (589411).

24120989 is a wasteful number, since it uses less digits than its factorization.

24120989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 24120989 is about 4911.3123500751. The cubic root of 24120989 is about 288.9338138604.

The spelling of 24120989 in words is "twenty-four million, one hundred twenty thousand, nine hundred eighty-nine".