120899019 has 8 divisors (see below), whose sum is σ = 170681040. Its totient is φ = 75858176.

The previous prime is 120898961. The next prime is 120899029. The reversal of 120899019 is 910998021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120899019 - 2⁹ = 120898507 is a prime.

It is a super-2 number, since 2×120899019² = 29233145590324722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120899029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185234 + ... + 1185335.

It is an arithmetic number, because the mean of its divisors is an integer number (21335130).

Almost surely, 2^120899019 is an apocalyptic number.

120899019 is a deficient number, since it is larger than the sum of its proper divisors (49782021).

120899019 is a wasteful number, since it uses less digits than its factorization.

120899019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370589.

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

The square root of 120899019 is about 10995.4089964858. The cubic root of 120899019 is about 494.4711135087.

The spelling of 120899019 in words is "one hundred twenty million, eight hundred ninety-nine thousand, nineteen".