121192936 has 16 divisors (see below), whose sum is σ = 227680740. Its totient is φ = 60478080.

The previous prime is 121192913. The next prime is 121192937. The reversal of 121192936 is 639291121.

It can be written as a sum of positive squares in 2 ways, for example, as 120868036 + 324900 = 10994^2 + 570^2 .

It is not an unprimeable number, because it can be changed into a prime (121192937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10371 + ... + 18706.

Almost surely, 2^121192936 is an apocalyptic number.

It is an amenable number.

121192936 is a deficient number, since it is larger than the sum of its proper divisors (106487804).

121192936 is a wasteful number, since it uses less digits than its factorization.

121192936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29604 (or 29600 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 121192936 is about 11008.7663250702. The cubic root of 121192936 is about 494.8714913146.

The spelling of 121192936 in words is "one hundred twenty-one million, one hundred ninety-two thousand, nine hundred thirty-six".