121185552 has 40 divisors (see below), whose sum is σ = 319729536. Its totient is φ = 39534976.

The previous prime is 121185527. The next prime is 121185593. The reversal of 121185552 is 255581121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603 + ... + 29114.

Almost surely, 2^121185552 is an apocalyptic number.

121185552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121185552 is an abundant number, since it is smaller than the sum of its proper divisors (198543984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121185552 is a wasteful number, since it uses less digits than its factorization.

121185552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53775 (or 53769 counting only the distinct ones).

The product of its digits is 4000, while the sum is 30.

The square root of 121185552 is about 11008.4309508667. The cubic root of 121185552 is about 494.8614406593.

The spelling of 121185552 in words is "one hundred twenty-one million, one hundred eighty-five thousand, five hundred fifty-two".