121452660 has 144 divisors (see below), whose sum is σ = 431488512. Its totient is φ = 27072000.

The previous prime is 121452659. The next prime is 121452679. The reversal of 121452660 is 66254121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50485 + ... + 52835.

It is an arithmetic number, because the mean of its divisors is an integer number (2996448).

Almost surely, 2^121452660 is an apocalyptic number.

121452660 is a gapful number since it is divisible by the number (10) 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 121452660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215744256).

121452660 is an abundant number, since it is smaller than the sum of its proper divisors (310035852).

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

121452660 is a wasteful number, since it uses less digits than its factorization.

121452660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2409 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 121452660 is about 11020.5562473044. The cubic root of 121452660 is about 495.2247525433.

The spelling of 121452660 in words is "one hundred twenty-one million, four hundred fifty-two thousand, six hundred sixty".