2402412121 has 4 divisors (see below), whose sum is σ = 2405027200. Its totient is φ = 2399797044.

The previous prime is 2402412119. The next prime is 2402412127. The reversal of 2402412121 is 1212142042.

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 2402412121 - 2¹ = 2402412119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402412127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306161 + ... + 1307998.

It is an arithmetic number, because the mean of its divisors is an integer number (601256800).

Almost surely, 2^2402412121 is an apocalyptic number.

It is an amenable number.

2402412121 is a deficient number, since it is larger than the sum of its proper divisors (2615079).

2402412121 is an equidigital number, since it uses as much as digits as its factorization.

2402412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615078.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2402412121 is about 49014.4072799009. The cubic root of 2402412121 is about 1339.3142925558.

Adding to 2402412121 its reverse (1212142042), we get a palindrome (3614554163).

The spelling of 2402412121 in words is "two billion, four hundred two million, four hundred twelve thousand, one hundred twenty-one".