122180392 has 16 divisors (see below), whose sum is σ = 232227540. Its totient is φ = 60253056.

The previous prime is 122180371. The next prime is 122180417. The reversal of 122180392 is 293081221.

It can be written as a sum of positive squares in 2 ways, for example, as 112656996 + 9523396 = 10614^2 + 3086^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122180392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104023 + ... + 105190.

Almost surely, 2^122180392 is an apocalyptic number.

It is an amenable number.

122180392 is a deficient number, since it is larger than the sum of its proper divisors (110047148).

122180392 is a wasteful number, since it uses less digits than its factorization.

122180392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209292 (or 209288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 122180392 is about 11053.5239629722. The cubic root of 122180392 is about 496.2118956756.

The spelling of 122180392 in words is "one hundred twenty-two million, one hundred eighty thousand, three hundred ninety-two".