121079369 has 4 divisors (see below), whose sum is σ = 121198980. Its totient is φ = 120959760.

The previous prime is 121079363. The next prime is 121079417. The reversal of 121079369 is 963970121.

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: 963970121 = 29 ⋅33240349.

It can be written as a sum of positive squares in 2 ways, for example, as 21977344 + 99102025 = 4688^2 + 9955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121079369 is a prime.

It is a super-2 number, since 2×121079369² = 29320427194876322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121079363) 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, 58274 + ... + 60315.

It is an arithmetic number, because the mean of its divisors is an integer number (30299745).

Almost surely, 2^121079369 is an apocalyptic number.

It is an amenable number.

121079369 is a deficient number, since it is larger than the sum of its proper divisors (119611).

121079369 is a wasteful number, since it uses less digits than its factorization.

121079369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119610.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 121079369 is about 11003.6070904045. The cubic root of 121079369 is about 494.7168655954.

The spelling of 121079369 in words is "one hundred twenty-one million, seventy-nine thousand, three hundred sixty-nine".