121916576 has 24 divisors (see below), whose sum is σ = 240324084. Its totient is φ = 60881920.

The previous prime is 121916573. The next prime is 121916579. The reversal of 121916576 is 675619121.

It is an interprime number because it is at equal distance from previous prime (121916573) and next prime (121916579).

It can be written as a sum of positive squares in 2 ways, for example, as 103632400 + 18284176 = 10180^2 + 4276^2 .

It is not an unprimeable number, because it can be changed into a prime (121916573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30536 + ... + 34296.

Almost surely, 2^121916576 is an apocalyptic number.

121916576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121916576 is a deficient number, since it is larger than the sum of its proper divisors (118407508).

121916576 is a wasteful number, since it uses less digits than its factorization.

121916576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4776 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 121916576 is about 11041.5839443442. The cubic root of 121916576 is about 495.8544925242.

The spelling of 121916576 in words is "one hundred twenty-one million, nine hundred sixteen thousand, five hundred seventy-six".