121309883 has 2 divisors, whose sum is σ = 121309884. Its totient is φ = 121309882.

The previous prime is 121309879. The next prime is 121309901. The reversal of 121309883 is 388903121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121309883 - 2² = 121309879 is a prime.

It is not a weakly prime, because it can be changed into another prime (121309823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60654941 + 60654942.

It is an arithmetic number, because the mean of its divisors is an integer number (60654942).

Almost surely, 2^121309883 is an apocalyptic number.

121309883 is a deficient number, since it is larger than the sum of its proper divisors (1).

121309883 is an equidigital number, since it uses as much as digits as its factorization.

121309883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 121309883 is about 11014.0765840809. The cubic root of 121309883 is about 495.0306181108.

The spelling of 121309883 in words is "one hundred twenty-one million, three hundred nine thousand, eight hundred eighty-three".