120019499 has 2 divisors, whose sum is σ = 120019500. Its totient is φ = 120019498.

The previous prime is 120019489. The next prime is 120019553. The reversal of 120019499 is 994910021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120019499 - 2⁴ = 120019483 is a prime.

It is a super-2 number, since 2×120019499² = 28809360280422002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120019469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60009749 + 60009750.

It is an arithmetic number, because the mean of its divisors is an integer number (60009750).

Almost surely, 2^120019499 is an apocalyptic number.

120019499 is a deficient number, since it is larger than the sum of its proper divisors (1).

120019499 is an equidigital number, since it uses as much as digits as its factorization.

120019499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 120019499 is about 10955.3411174641. The cubic root of 120019499 is about 493.2691293465.

The spelling of 120019499 in words is "one hundred twenty million, nineteen thousand, four hundred ninety-nine".