121232879 has 4 divisors (see below), whose sum is σ = 121255176. Its totient is φ = 121210584.

The previous prime is 121232873. The next prime is 121232897. The reversal of 121232879 is 978232121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978232121 = 659 ⋅1484419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121232879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232873) 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, 2957 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (30313794).

Almost surely, 2^121232879 is an apocalyptic number.

121232879 is a deficient number, since it is larger than the sum of its proper divisors (22297).

121232879 is an equidigital number, since it uses as much as digits as its factorization.

121232879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296.

The product of its digits is 12096, while the sum is 35.

The square root of 121232879 is about 11010.5803207642. The cubic root of 121232879 is about 494.9258522410.

The spelling of 121232879 in words is "one hundred twenty-one million, two hundred thirty-two thousand, eight hundred seventy-nine".