202464121 has 6 divisors (see below), whose sum is σ = 204350622. Its totient is φ = 200594880.

The previous prime is 202464103. The next prime is 202464127. The reversal of 202464121 is 121464202.

It is a happy number.

202464121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 111070521 + 91393600 = 10539^2 + 9560^2 .

It is not a de Polignac number, because 202464121 - 2⁵ = 202464089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202464092 and 202464101.

It is not an unprimeable number, because it can be changed into a prime (202464127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (34058437).

Almost surely, 2^202464121 is an apocalyptic number.

It is an amenable number.

202464121 is a deficient number, since it is larger than the sum of its proper divisors (1886501).

202464121 is an equidigital number, since it uses as much as digits as its factorization.

202464121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17259 (or 17150 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 202464121 is about 14228.9887553543. The cubic root of 202464121 is about 587.1954622660.

The spelling of 202464121 in words is "two hundred two million, four hundred sixty-four thousand, one hundred twenty-one".