122161764 has 12 divisors (see below), whose sum is σ = 285044144. Its totient is φ = 40720584.

The previous prime is 122161757. The next prime is 122161783. The reversal of 122161764 is 467161221.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5090062 + ... + 5090085.

Almost surely, 2^122161764 is an apocalyptic number.

It is an amenable number.

122161764 is an abundant number, since it is smaller than the sum of its proper divisors (162882380).

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

122161764 is a wasteful number, since it uses less digits than its factorization.

122161764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180154 (or 10180152 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 122161764 is about 11052.6813036475. The cubic root of 122161764 is about 496.1866763944.

The spelling of 122161764 in words is "one hundred twenty-two million, one hundred sixty-one thousand, seven hundred sixty-four".