122045772 has 12 divisors (see below), whose sum is σ = 284773496. Its totient is φ = 40681920.

The previous prime is 122045767. The next prime is 122045783. The reversal of 122045772 is 277540221.

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, 5085229 + ... + 5085252.

Almost surely, 2^122045772 is an apocalyptic number.

122045772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122045772 is an abundant number, since it is smaller than the sum of its proper divisors (162727724).

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

122045772 is a wasteful number, since it uses less digits than its factorization.

122045772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170488 (or 10170486 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 122045772 is about 11047.4328239641. The cubic root of 122045772 is about 496.0295843870.

Adding to 122045772 its reverse (277540221), we get a palindrome (399585993).

The spelling of 122045772 in words is "one hundred twenty-two million, forty-five thousand, seven hundred seventy-two".