121225052 has 18 divisors (see below), whose sum is σ = 229719168. Its totient is φ = 55949712.

The previous prime is 121225051. The next prime is 121225063. The reversal of 121225052 is 250522121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121225051) 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, 88988 + ... + 90339.

It is an arithmetic number, because the mean of its divisors is an integer number (12762176).

Almost surely, 2^121225052 is an apocalyptic number.

It is an amenable number.

121225052 is a deficient number, since it is larger than the sum of its proper divisors (108494116).

121225052 is a wasteful number, since it uses less digits than its factorization.

121225052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179357 (or 179342 counting only the distinct ones).

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

The square root of 121225052 is about 11010.2248841702. The cubic root of 121225052 is about 494.9152009280.

Adding to 121225052 its reverse (250522121), we get a palindrome (371747173).

The spelling of 121225052 in words is "one hundred twenty-one million, two hundred twenty-five thousand, fifty-two".