121272822 has 32 divisors (see below), whose sum is σ = 293996160. Its totient is φ = 36749160.

The previous prime is 121272803. The next prime is 121272847. The reversal of 121272822 is 228272121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 101488 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (9187380).

Almost surely, 2^121272822 is an apocalyptic number.

121272822 is an abundant number, since it is smaller than the sum of its proper divisors (172723338).

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

121272822 is a wasteful number, since it uses less digits than its factorization.

121272822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204185 (or 204179 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 121272822 is about 11012.3940176512. The cubic root of 121272822 is about 494.9802012283.

The spelling of 121272822 in words is "one hundred twenty-one million, two hundred seventy-two thousand, eight hundred twenty-two".