122867215 has 4 divisors (see below), whose sum is σ = 147440664. Its totient is φ = 98293768.

The previous prime is 122867203. The next prime is 122867221. The reversal of 122867215 is 512768221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122867215 - 2⁵ = 122867183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12286717 + ... + 12286726.

It is an arithmetic number, because the mean of its divisors is an integer number (36860166).

Almost surely, 2^122867215 is an apocalyptic number.

122867215 is a deficient number, since it is larger than the sum of its proper divisors (24573449).

122867215 is an equidigital number, since it uses as much as digits as its factorization.

122867215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24573448.

The product of its digits is 13440, while the sum is 34.

The square root of 122867215 is about 11084.5484797532. The cubic root of 122867215 is about 497.1399581812.

The spelling of 122867215 in words is "one hundred twenty-two million, eight hundred sixty-seven thousand, two hundred fifteen".