122620818 has 16 divisors (see below), whose sum is σ = 247998240. Its totient is φ = 40414176.

The previous prime is 122620807. The next prime is 122620829. The reversal of 122620818 is 818026221.

It is an interprime number because it is at equal distance from previous prime (122620807) and next prime (122620829).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114280 + ... + 115347.

It is an arithmetic number, because the mean of its divisors is an integer number (15499890).

Almost surely, 2^122620818 is an apocalyptic number.

122620818 is an abundant number, since it is smaller than the sum of its proper divisors (125377422).

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

122620818 is a wasteful number, since it uses less digits than its factorization.

122620818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229721.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 122620818 is about 11073.4284663784. The cubic root of 122620818 is about 496.8074155298.

The spelling of 122620818 in words is "one hundred twenty-two million, six hundred twenty thousand, eight hundred eighteen".