120199993 has 2 divisors, whose sum is σ = 120199994. Its totient is φ = 120199992.

The previous prime is 120199957. The next prime is 120200011. The reversal of 120199993 is 399991021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118091689 + 2108304 = 10867^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 120199993 - 2²⁵ = 86645561 is a prime.

It is not a weakly prime, because it can be changed into another prime (120199903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60099996 + 60099997.

It is an arithmetic number, because the mean of its divisors is an integer number (60099997).

Almost surely, 2^120199993 is an apocalyptic number.

It is an amenable number.

120199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

120199993 is an equidigital number, since it uses as much as digits as its factorization.

120199993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 120199993 is about 10963.5757396937. The cubic root of 120199993 is about 493.5162767552.

The spelling of 120199993 in words is "one hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-three".