121063879 has 2 divisors, whose sum is σ = 121063880. Its totient is φ = 121063878.

The previous prime is 121063871. The next prime is 121063907. The reversal of 121063879 is 978360121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121063879 - 2³ = 121063871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121063871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60531939 + 60531940.

It is an arithmetic number, because the mean of its divisors is an integer number (60531940).

Almost surely, 2^121063879 is an apocalyptic number.

121063879 is a deficient number, since it is larger than the sum of its proper divisors (1).

121063879 is an equidigital number, since it uses as much as digits as its factorization.

121063879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 121063879 is about 11002.9032077902. The cubic root of 121063879 is about 494.6957678887.

The spelling of 121063879 in words is "one hundred twenty-one million, sixty-three thousand, eight hundred seventy-nine".