122666516 has 24 divisors (see below), whose sum is σ = 245568960. Its totient is φ = 52520832.

The previous prime is 122666513. The next prime is 122666519. The reversal of 122666516 is 615666221.

It is an interprime number because it is at equal distance from previous prime (122666513) and next prime (122666519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122666513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51275 + ... + 53613.

It is an arithmetic number, because the mean of its divisors is an integer number (10232040).

Almost surely, 2^122666516 is an apocalyptic number.

It is an amenable number.

122666516 is an abundant number, since it is smaller than the sum of its proper divisors (122902444).

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

122666516 is a wasteful number, since it uses less digits than its factorization.

122666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223 (or 4221 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 122666516 is about 11075.4916820880. The cubic root of 122666516 is about 496.8691241529.

The spelling of 122666516 in words is "one hundred twenty-two million, six hundred sixty-six thousand, five hundred sixteen".