121552452 has 36 divisors (see below), whose sum is σ = 351152256. Its totient is φ = 34729200.

The previous prime is 121552429. The next prime is 121552471. The reversal of 121552452 is 254255121.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240924 + ... + 241427.

Almost surely, 2^121552452 is an apocalyptic number.

121552452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121552452 is an abundant number, since it is smaller than the sum of its proper divisors (229599804).

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

121552452 is a wasteful number, since it uses less digits than its factorization.

121552452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482368 (or 482363 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 121552452 is about 11025.0828568315. The cubic root of 121552452 is about 495.3603497916.

The spelling of 121552452 in words is "one hundred twenty-one million, five hundred fifty-two thousand, four hundred fifty-two".