2400300121 has 4 divisors (see below), whose sum is σ = 2400430032. Its totient is φ = 2400170212.

The previous prime is 2400300113. The next prime is 2400300131. The reversal of 2400300121 is 1210030042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2400300121 - 2³ = 2400300113 is a prime.

It is a super-2 number, since 2×2400300121² = 11522881341745229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400300131) 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, 31495 + ... + 76108.

It is an arithmetic number, because the mean of its divisors is an integer number (600107508).

Almost surely, 2^2400300121 is an apocalyptic number.

It is an amenable number.

2400300121 is a deficient number, since it is larger than the sum of its proper divisors (129911).

2400300121 is a wasteful number, since it uses less digits than its factorization.

2400300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129910.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2400300121 is about 48992.8578570387. The cubic root of 2400300121 is about 1338.9217064178.

Adding to 2400300121 its reverse (1210030042), we get a palindrome (3610330163).

The spelling of 2400300121 in words is "two billion, four hundred million, three hundred thousand, one hundred twenty-one".