121505052 has 24 divisors (see below), whose sum is σ = 300189456. Its totient is φ = 38119168.

The previous prime is 121505023. The next prime is 121505053. The reversal of 121505052 is 250505121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121505053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297603 + ... + 298010.

It is an arithmetic number, because the mean of its divisors is an integer number (12507894).

Almost surely, 2^121505052 is an apocalyptic number.

121505052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121505052 is an abundant number, since it is smaller than the sum of its proper divisors (178684404).

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

121505052 is a wasteful number, since it uses less digits than its factorization.

121505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595637 (or 595635 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 121505052 is about 11022.9330035159. The cubic root of 121505052 is about 495.2959519866.

The spelling of 121505052 in words is "one hundred twenty-one million, five hundred five thousand, fifty-two".