2402652121 has 4 divisors (see below), whose sum is σ = 2403721744. Its totient is φ = 2401582500.

The previous prime is 2402652097. The next prime is 2402652157. The reversal of 2402652121 is 1212562042.

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 a de Polignac number, because none of the positive numbers 2^k-2402652121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402650121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531435 + ... + 535936.

It is an arithmetic number, because the mean of its divisors is an integer number (600930436).

Almost surely, 2^2402652121 is an apocalyptic number.

It is an amenable number.

2402652121 is a deficient number, since it is larger than the sum of its proper divisors (1069623).

2402652121 is a wasteful number, since it uses less digits than its factorization.

2402652121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069622.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2402652121 is about 49016.8554784984. The cubic root of 2402652121 is about 1339.3588900563.

The spelling of 2402652121 in words is "two billion, four hundred two million, six hundred fifty-two thousand, one hundred twenty-one".