1000120099 has 8 divisors (see below), whose sum is σ = 1091475648. Its totient is φ = 908837160.

The previous prime is 1000120091. The next prime is 1000120103. The reversal of 1000120099 is 9900210001.

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

It is not a de Polignac number, because 1000120099 - 2³ = 1000120091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000120091) 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, 12984 + ... + 46570.

It is an arithmetic number, because the mean of its divisors is an integer number (136434456).

Almost surely, 2^1000120099 is an apocalyptic number.

1000120099 is a deficient number, since it is larger than the sum of its proper divisors (91355549).

1000120099 is a wasteful number, since it uses less digits than its factorization.

1000120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36305.

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

The square root of 1000120099 is about 31624.6754765958. The cubic root of 1000120099 is about 1000.0400313975.

The spelling of 1000120099 in words is "one billion, one hundred twenty thousand, ninety-nine".