121792770 has 96 divisors (see below), whose sum is σ = 353605824. Its totient is φ = 28828800.

The previous prime is 121792763. The next prime is 121792771. The reversal of 121792770 is 77297121.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121792771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41140 + ... + 44000.

It is an arithmetic number, because the mean of its divisors is an integer number (3683394).

Almost surely, 2^121792770 is an apocalyptic number.

121792770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121792770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176802912).

121792770 is an abundant number, since it is smaller than the sum of its proper divisors (231813054).

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

121792770 is a wasteful number, since it uses less digits than its factorization.

121792770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 121792770 is about 11035.9761688760. The cubic root of 121792770 is about 495.6865893141.

The spelling of 121792770 in words is "one hundred twenty-one million, seven hundred ninety-two thousand, seven hundred seventy".