1095899 has 8 divisors (see below), whose sum is σ = 1279488. Its totient is φ = 919080.

The previous prime is 1095859. The next prime is 1095907. The reversal of 1095899 is 9985901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1095899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1095839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (159936).

2^1095899 is an apocalyptic number.

1095899 is a deficient number, since it is larger than the sum of its proper divisors (183589).

1095899 is an equidigital number, since it uses as much as digits as its factorization.

1095899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 1095899 is about 1046.8519475074. The cubic root of 1095899 is about 103.0995675270.

Adding to 1095899 its sum of digits (41), we get a triangular number (1095940 = T₁₄₈₀).

The spelling of 1095899 in words is "one million, ninety-five thousand, eight hundred ninety-nine".