121502452 has 12 divisors (see below), whose sum is σ = 214038496. Its totient is φ = 60348600.

The previous prime is 121502443. The next prime is 121502453. The reversal of 121502452 is 254205121.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121502453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99978 + ... + 101185.

Almost surely, 2^121502452 is an apocalyptic number.

It is an amenable number.

121502452 is a deficient number, since it is larger than the sum of its proper divisors (92536044).

121502452 is a wasteful number, since it uses less digits than its factorization.

121502452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201318 (or 201316 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 121502452 is about 11022.8150669418. The cubic root of 121502452 is about 495.2924191330.

Adding to 121502452 its reverse (254205121), we get a palindrome (375707573).

The spelling of 121502452 in words is "one hundred twenty-one million, five hundred two thousand, four hundred fifty-two".