121763660 has 48 divisors (see below), whose sum is σ = 265278720. Its totient is φ = 46897920.

The previous prime is 121763611. The next prime is 121763671. The reversal of 121763660 is 66367121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171386 + ... + 172094.

It is an arithmetic number, because the mean of its divisors is an integer number (5526640).

Almost surely, 2^121763660 is an apocalyptic number.

121763660 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 121763660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132639360).

121763660 is an abundant number, since it is smaller than the sum of its proper divisors (143515060).

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

121763660 is a wasteful number, since it uses less digits than its factorization.

121763660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 121763660 is about 11034.6572216812. The cubic root of 121763660 is about 495.6470943962.

The spelling of 121763660 in words is "one hundred twenty-one million, seven hundred sixty-three thousand, six hundred sixty".