109001995 has 16 divisors (see below), whose sum is σ = 132526368. Its totient is φ = 86060800.

The previous prime is 109001989. The next prime is 109002007. The reversal of 109001995 is 599100901.

It is not a de Polignac number, because 109001995 - 2³ = 109001987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109001995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155145 + ... + 155845.

It is an arithmetic number, because the mean of its divisors is an integer number (8282898).

Almost surely, 2^109001995 is an apocalyptic number.

109001995 is a deficient number, since it is larger than the sum of its proper divisors (23524373).

109001995 is a wasteful number, since it uses less digits than its factorization.

109001995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 109001995 is about 10440.4020516453. The cubic root of 109001995 is about 477.6885324062.

The spelling of 109001995 in words is "one hundred nine million, one thousand, nine hundred ninety-five".