121202252 has 12 divisors (see below), whose sum is σ = 219418080. Its totient is φ = 58511376.

The previous prime is 121202239. The next prime is 121202261. The reversal of 121202252 is 252202121.

It is a self number, because there is not a number n which added to its sum of digits gives 121202252.

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, 522308 + ... + 522539.

It is an arithmetic number, because the mean of its divisors is an integer number (18284840).

Almost surely, 2^121202252 is an apocalyptic number.

It is an amenable number.

121202252 is a deficient number, since it is larger than the sum of its proper divisors (98215828).

121202252 is a wasteful number, since it uses less digits than its factorization.

121202252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044880 (or 1044878 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121202252 is about 11009.1894342862. The cubic root of 121202252 is about 494.8841711095.

Adding to 121202252 its reverse (252202121), we get a palindrome (373404373).

The spelling of 121202252 in words is "one hundred twenty-one million, two hundred two thousand, two hundred fifty-two".