120189099 has 32 divisors (see below), whose sum is σ = 179435520. Its totient is φ = 71165952.

The previous prime is 120189073. The next prime is 120189217. The reversal of 120189099 is 990981021.

It is a happy number.

It is not a de Polignac number, because 120189099 - 2⁵ = 120189067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120189049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92019 + ... + 93315.

It is an arithmetic number, because the mean of its divisors is an integer number (5607360).

Almost surely, 2^120189099 is an apocalyptic number.

120189099 is a deficient number, since it is larger than the sum of its proper divisors (59246421).

120189099 is a wasteful number, since it uses less digits than its factorization.

120189099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 120189099 is about 10963.0789014765. The cubic root of 120189099 is about 493.5013668022.

The spelling of 120189099 in words is "one hundred twenty million, one hundred eighty-nine thousand, ninety-nine".