24890121 has 9 divisors (see below), whose sum is σ = 35974029. Its totient is φ = 16583436.

The previous prime is 24890113. The next prime is 24890143. The reversal of 24890121 is 12109842.

The square root of 24890121 is 4989.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 24890121 - 2³ = 24890113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24890101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14136 + ... + 15798.

Almost surely, 2^24890121 is an apocalyptic number.

24890121 is the 4989-th square number.

24890121 is the 2495-th centered octagonal number.

It is an amenable number.

24890121 is a deficient number, since it is larger than the sum of its proper divisors (11083908).

24890121 is an frugal number, since it uses more digits than its factorization.

24890121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The cubic root of 24890121 is about 291.9727604852.

Adding to 24890121 its reverse (12109842), we get a palindrome (36999963).

The spelling of 24890121 in words is "twenty-four million, eight hundred ninety thousand, one hundred twenty-one".