121845366 has 48 divisors (see below), whose sum is σ = 285433200. Its totient is φ = 37433664.

The previous prime is 121845349. The next prime is 121845377. The reversal of 121845366 is 663548121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121845366.

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, 7840 + ... + 17468.

It is an arithmetic number, because the mean of its divisors is an integer number (5946525).

Almost surely, 2^121845366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121845366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142716600).

121845366 is an abundant number, since it is smaller than the sum of its proper divisors (163587834).

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

121845366 is a wasteful number, since it uses less digits than its factorization.

121845366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9693 (or 9690 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 121845366 is about 11038.3588454081. The cubic root of 121845366 is about 495.7579328480.

The spelling of 121845366 in words is "one hundred twenty-one million, eight hundred forty-five thousand, three hundred sixty-six".