120001099 has 2 divisors, whose sum is σ = 120001100. Its totient is φ = 120001098.

The previous prime is 120001073. The next prime is 120001111. The reversal of 120001099 is 990100021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120001099 - 2⁵ = 120001067 is a prime.

It is a super-2 number, since 2×120001099² = 28800527522415602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000549 + 60000550.

It is an arithmetic number, because the mean of its divisors is an integer number (60000550).

Almost surely, 2^120001099 is an apocalyptic number.

120001099 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001099 is an equidigital number, since it uses as much as digits as its factorization.

120001099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 120001099 is about 10954.5013122460. The cubic root of 120001099 is about 493.2439206210.

The spelling of 120001099 in words is "one hundred twenty million, one thousand, ninety-nine".