2302420121 has 4 divisors (see below), whose sum is σ = 2328290100. Its totient is φ = 2276550144.

The previous prime is 2302420111. The next prime is 2302420157. The reversal of 2302420121 is 1210242032.

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 119661721 + 2182758400 = 10939^2 + 46720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302420121 - 2²⁶ = 2235311257 is a prime.

It is a super-2 number, since 2×2302420121² = 10602276827171309282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2302420121.

It is not an unprimeable number, because it can be changed into a prime (2302420111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12934856 + ... + 12935033.

It is an arithmetic number, because the mean of its divisors is an integer number (582072525).

Almost surely, 2^2302420121 is an apocalyptic number.

It is an amenable number.

2302420121 is a deficient number, since it is larger than the sum of its proper divisors (25869979).

2302420121 is an equidigital number, since it uses as much as digits as its factorization.

2302420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25869978.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2302420121 is about 47983.5401049151. The cubic root of 2302420121 is about 1320.4689413203.

Adding to 2302420121 its reverse (1210242032), we get a palindrome (3512662153).

The spelling of 2302420121 in words is "two billion, three hundred two million, four hundred twenty thousand, one hundred twenty-one".