121040879 has 2 divisors, whose sum is σ = 121040880. Its totient is φ = 121040878.

The previous prime is 121040863. The next prime is 121040891. The reversal of 121040879 is 978040121.

It is a strong prime.

It is an emirp because it is prime and its reverse (978040121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121040879 - 2⁴ = 121040863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121040819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520439 + 60520440.

It is an arithmetic number, because the mean of its divisors is an integer number (60520440).

Almost surely, 2^121040879 is an apocalyptic number.

121040879 is a deficient number, since it is larger than the sum of its proper divisors (1).

121040879 is an equidigital number, since it uses as much as digits as its factorization.

121040879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 121040879 is about 11001.8579794506. The cubic root of 121040879 is about 494.6644380833.

The spelling of 121040879 in words is "one hundred twenty-one million, forty thousand, eight hundred seventy-nine".