121752276 has 24 divisors (see below), whose sum is σ = 284444160. Its totient is φ = 40533312.

The previous prime is 121752269. The next prime is 121752277. The reversal of 121752276 is 672257121.

It is a super-2 number, since 2×121752276² = 29647233422360352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752277) 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, 4365 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (11851840).

Almost surely, 2^121752276 is an apocalyptic number.

It is an amenable number.

121752276 is an abundant number, since it is smaller than the sum of its proper divisors (162691884).

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

121752276 is a wasteful number, since it uses less digits than its factorization.

121752276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703 (or 12701 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 121752276 is about 11034.1413802797. The cubic root of 121752276 is about 495.6316474712.

The spelling of 121752276 in words is "one hundred twenty-one million, seven hundred fifty-two thousand, two hundred seventy-six".