121793169 has 8 divisors (see below), whose sum is σ = 165143520. Its totient is φ = 79819136.

The previous prime is 121793143. The next prime is 121793171. The reversal of 121793169 is 961397121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121793169 - 2²⁵ = 88238737 is a prime.

It is a super-2 number, since 2×121793169² = 29667152030125122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121793129) 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, 343872 + ... + 344225.

It is an arithmetic number, because the mean of its divisors is an integer number (20642940).

Almost surely, 2^121793169 is an apocalyptic number.

It is an amenable number.

121793169 is a deficient number, since it is larger than the sum of its proper divisors (43350351).

121793169 is an equidigital number, since it uses as much as digits as its factorization.

121793169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688159.

The product of its digits is 20412, while the sum is 39.

The square root of 121793169 is about 11035.9942461022. The cubic root of 121793169 is about 495.6871306126.

The spelling of 121793169 in words is "one hundred twenty-one million, seven hundred ninety-three thousand, one hundred sixty-nine".