121193365 has 4 divisors (see below), whose sum is σ = 145432044. Its totient is φ = 96954688.

The previous prime is 121193329. The next prime is 121193399. The reversal of 121193365 is 563391121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563391121 = 929 ⋅606449.

It can be written as a sum of positive squares in 2 ways, for example, as 86229796 + 34963569 = 9286^2 + 5913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121193365 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 12119332 + ... + 12119341.

It is an arithmetic number, because the mean of its divisors is an integer number (36358011).

Almost surely, 2^121193365 is an apocalyptic number.

It is an amenable number.

121193365 is a deficient number, since it is larger than the sum of its proper divisors (24238679).

121193365 is an equidigital number, since it uses as much as digits as its factorization.

121193365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24238678.

The product of its digits is 4860, while the sum is 31.

The square root of 121193365 is about 11008.7858095250. The cubic root of 121193365 is about 494.8720752310.

The spelling of 121193365 in words is "one hundred twenty-one million, one hundred ninety-three thousand, three hundred sixty-five".