1095815 has 16 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 742560.

The previous prime is 1095811. The next prime is 1095821. The reversal of 1095815 is 5185901.

It is not a de Polignac number, because 1095815 - 2² = 1095811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4466 + ... + 4704.

It is an arithmetic number, because the mean of its divisors is an integer number (95040).

2^1095815 is an apocalyptic number.

1095815 is a deficient number, since it is larger than the sum of its proper divisors (424825).

1095815 is a wasteful number, since it uses less digits than its factorization.

1095815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 1095815 is about 1046.8118264521. The cubic root of 1095815 is about 103.0969332864.

The spelling of 1095815 in words is "one million, ninety-five thousand, eight hundred fifteen".