121596099 has 8 divisors (see below), whose sum is σ = 162192720. Its totient is φ = 81031776.

The previous prime is 121596077. The next prime is 121596103. The reversal of 121596099 is 990695121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121596099 - 2¹⁷ = 121465027 is a prime.

It is a super-2 number, since 2×121596099² = 29571222584035602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121596099.

It is not an unprimeable number, because it can be changed into a prime (121596049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (20274090).

Almost surely, 2^121596099 is an apocalyptic number.

121596099 is a deficient number, since it is larger than the sum of its proper divisors (40596621).

121596099 is a wasteful number, since it uses less digits than its factorization.

121596099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16149.

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 121596099 is about 11027.0621200753. The cubic root of 121596099 is about 495.4196339537.

The spelling of 121596099 in words is "one hundred twenty-one million, five hundred ninety-six thousand, ninety-nine".