120269899 has 2 divisors, whose sum is σ = 120269900. Its totient is φ = 120269898.

The previous prime is 120269887. The next prime is 120269927. The reversal of 120269899 is 998962021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120269899 - 2⁷ = 120269771 is a prime.

It is not a weakly prime, because it can be changed into another prime (120269299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60134949 + 60134950.

It is an arithmetic number, because the mean of its divisors is an integer number (60134950).

Almost surely, 2^120269899 is an apocalyptic number.

120269899 is a deficient number, since it is larger than the sum of its proper divisors (1).

120269899 is an equidigital number, since it uses as much as digits as its factorization.

120269899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 120269899 is about 10966.7633784996. The cubic root of 120269899 is about 493.6119313999.

The spelling of 120269899 in words is "one hundred twenty million, two hundred sixty-nine thousand, eight hundred ninety-nine".