122616146 has 4 divisors (see below), whose sum is σ = 183924222. Its totient is φ = 61308072.

The previous prime is 122616119. The next prime is 122616163. The reversal of 122616146 is 641616221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641616221 = 181 ⋅3544841.

It can be written as a sum of positive squares in only one way, i.e., 106894921 + 15721225 = 10339^2 + 3965^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30654035 + ... + 30654038.

Almost surely, 2^122616146 is an apocalyptic number.

122616146 is a deficient number, since it is larger than the sum of its proper divisors (61308076).

122616146 is an equidigital number, since it uses as much as digits as its factorization.

122616146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61308075.

The product of its digits is 3456, while the sum is 29.

The square root of 122616146 is about 11073.2175089267. The cubic root of 122616146 is about 496.8011057971.

The spelling of 122616146 in words is "one hundred twenty-two million, six hundred sixteen thousand, one hundred forty-six".