122290372 has 12 divisors (see below), whose sum is σ = 219228156. Its totient is φ = 59653760.

The previous prime is 122290339. The next prime is 122290387. The reversal of 122290372 is 273092221.

It can be written as a sum of positive squares in 2 ways, for example, as 51494976 + 70795396 = 7176^2 + 8414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122290372.

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, 372673 + ... + 373000.

It is an arithmetic number, because the mean of its divisors is an integer number (18269013).

Almost surely, 2^122290372 is an apocalyptic number.

It is an amenable number.

122290372 is a deficient number, since it is larger than the sum of its proper divisors (96937784).

122290372 is a wasteful number, since it uses less digits than its factorization.

122290372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745718 (or 745716 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 122290372 is about 11058.4977279918. The cubic root of 122290372 is about 496.3607384835.

The spelling of 122290372 in words is "one hundred twenty-two million, two hundred ninety thousand, three hundred seventy-two".