121158822 has 16 divisors (see below), whose sum is σ = 242521920. Its totient is φ = 40352232.

The previous prime is 121158803. The next prime is 121158833. The reversal of 121158822 is 228851121.

It is a self number, because there is not a number n which added to its sum of digits gives 121158822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (15157620).

Almost surely, 2^121158822 is an apocalyptic number.

121158822 is an abundant number, since it is smaller than the sum of its proper divisors (121363098).

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

121158822 is a wasteful number, since it uses less digits than its factorization.

121158822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027.

The product of its digits is 2560, while the sum is 30.

The square root of 121158822 is about 11007.2168144359. The cubic root of 121158822 is about 494.8250539813.

The spelling of 121158822 in words is "one hundred twenty-one million, one hundred fifty-eight thousand, eight hundred twenty-two".