502252121 has 4 divisors (see below), whose sum is σ = 574002432. Its totient is φ = 430501812.

The previous prime is 502252027. The next prime is 502252133. The reversal of 502252121 is 121252205.

It is a happy number.

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 502252121 - 2²⁶ = 435143257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 502252093 and 502252102.

It is not an unprimeable number, because it can be changed into a prime (502252141) 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, 35875145 + ... + 35875158.

It is an arithmetic number, because the mean of its divisors is an integer number (143500608).

Almost surely, 2^502252121 is an apocalyptic number.

It is an amenable number.

502252121 is a deficient number, since it is larger than the sum of its proper divisors (71750311).

502252121 is an equidigital number, since it uses as much as digits as its factorization.

502252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71750310.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 502252121 is about 22410.9821516149. The cubic root of 502252121 is about 794.8904143348.

The spelling of 502252121 in words is "five hundred two million, two hundred fifty-two thousand, one hundred twenty-one".