121888252 has 6 divisors (see below), whose sum is σ = 213304448. Its totient is φ = 60944124.

The previous prime is 121888237. The next prime is 121888253. The reversal of 121888252 is 252888121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121888253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15236028 + ... + 15236035.

Almost surely, 2^121888252 is an apocalyptic number.

It is an amenable number.

121888252 is a deficient number, since it is larger than the sum of its proper divisors (91416196).

121888252 is a wasteful number, since it uses less digits than its factorization.

121888252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30472067 (or 30472065 counting only the distinct ones).

The product of its digits is 20480, while the sum is 37.

The square root of 121888252 is about 11040.3012640054. The cubic root of 121888252 is about 495.8160901159.

The spelling of 121888252 in words is "one hundred twenty-one million, eight hundred eighty-eight thousand, two hundred fifty-two".