1085915 has 8 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 859392.

The previous prime is 1085911. The next prime is 1085933. The reversal of 1085915 is 5195801.

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 1085915 - 2² = 1085911 is a prime.

It is a super-2 number, since 2×1085915² = 2358422774450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085911) 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, 635 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2^1085915 is an apocalyptic number.

1085915 is a deficient number, since it is larger than the sum of its proper divisors (231205).

1085915 is an equidigital number, since it uses as much as digits as its factorization.

1085915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341.

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

The square root of 1085915 is about 1042.0724542948. The cubic root of 1085915 is about 102.7855215873.

The spelling of 1085915 in words is "one million, eighty-five thousand, nine hundred fifteen".