122156116 has 12 divisors (see below), whose sum is σ = 213870132. Its totient is φ = 61050368.

The previous prime is 122156107. The next prime is 122156123. The reversal of 122156116 is 611651221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108243216 + 13912900 = 10404^2 + 3730^2 .

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, 5466 + ... + 16558.

It is an arithmetic number, because the mean of its divisors is an integer number (17822511).

Almost surely, 2^122156116 is an apocalyptic number.

It is an amenable number.

122156116 is a deficient number, since it is larger than the sum of its proper divisors (91714016).

122156116 is a wasteful number, since it uses less digits than its factorization.

122156116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850 (or 13848 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 122156116 is about 11052.4257970818. The cubic root of 122156116 is about 496.1790294149.

The spelling of 122156116 in words is "one hundred twenty-two million, one hundred fifty-six thousand, one hundred sixteen".