122545772 has 6 divisors (see below), whose sum is σ = 214455108. Its totient is φ = 61272884.

The previous prime is 122545733. The next prime is 122545781. The reversal of 122545772 is 277545221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15318218 + ... + 15318225.

It is an arithmetic number, because the mean of its divisors is an integer number (35742518).

Almost surely, 2^122545772 is an apocalyptic number.

It is an amenable number.

122545772 is a deficient number, since it is larger than the sum of its proper divisors (91909336).

122545772 is a wasteful number, since it uses less digits than its factorization.

122545772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30636447 (or 30636445 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 122545772 is about 11070.0393856571. The cubic root of 122545772 is about 496.7060433524.

The spelling of 122545772 in words is "one hundred twenty-two million, five hundred forty-five thousand, seven hundred seventy-two".