24900121 has 4 divisors (see below), whose sum is σ = 26364852. Its totient is φ = 23435392.

The previous prime is 24900119. The next prime is 24900151. The reversal of 24900121 is 12100942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 5934096 = 4355^2 + 2436^2 .

It is a cyclic number.

It is not a de Polignac number, because 24900121 - 2¹ = 24900119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24900101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732340 + ... + 732373.

It is an arithmetic number, because the mean of its divisors is an integer number (6591213).

Almost surely, 2^24900121 is an apocalyptic number.

It is an amenable number.

24900121 is a deficient number, since it is larger than the sum of its proper divisors (1464731).

24900121 is a wasteful number, since it uses less digits than its factorization.

24900121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464730.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 24900121 is about 4990.0021042080. The cubic root of 24900121 is about 292.0118568088.

The spelling of 24900121 in words is "twenty-four million, nine hundred thousand, one hundred twenty-one".