121156052 has 12 divisors (see below), whose sum is σ = 213249876. Its totient is φ = 60227520.

The previous prime is 121156037. The next prime is 121156073. The reversal of 121156052 is 250651121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113124496 + 8031556 = 10636^2 + 2834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86849 + ... + 88232.

It is an arithmetic number, because the mean of its divisors is an integer number (17770823).

Almost surely, 2^121156052 is an apocalyptic number.

It is an amenable number.

121156052 is a deficient number, since it is larger than the sum of its proper divisors (92093824).

121156052 is a wasteful number, since it uses less digits than its factorization.

121156052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175258 (or 175256 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 121156052 is about 11007.0909871773. The cubic root of 121156052 is about 494.8212829645.

The spelling of 121156052 in words is "one hundred twenty-one million, one hundred fifty-six thousand, fifty-two".