121560252 has 72 divisors (see below), whose sum is σ = 326696832. Its totient is φ = 34884000.

The previous prime is 121560247. The next prime is 121560277. The reversal of 121560252 is 252065121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46377 + ... + 48927.

It is an arithmetic number, because the mean of its divisors is an integer number (4537456).

Almost surely, 2^121560252 is an apocalyptic number.

121560252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121560252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163348416).

121560252 is an abundant number, since it is smaller than the sum of its proper divisors (205136580).

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

121560252 is a wasteful number, since it uses less digits than its factorization.

121560252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 121560252 is about 11025.4365899950. The cubic root of 121560252 is about 495.3709452945.

The spelling of 121560252 in words is "one hundred twenty-one million, five hundred sixty thousand, two hundred fifty-two".