1085913 has 16 divisors (see below), whose sum is σ = 1653760. Its totient is φ = 703728.

The previous prime is 1085911. The next prime is 1085933. The reversal of 1085913 is 3195801.

It is not a de Polignac number, because 1085913 - 2¹ = 1085911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

1085913 is a lucky number.

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 15 ways as a sum of consecutive naturals, for example, 456 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (103360).

2^1085913 is an apocalyptic number.

It is an amenable number.

1085913 is a deficient number, since it is larger than the sum of its proper divisors (567847).

1085913 is a wasteful number, since it uses less digits than its factorization.

1085913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1085913 is about 1042.0714946682. The cubic root of 1085913 is about 102.7854584851.

The spelling of 1085913 in words is "one million, eighty-five thousand, nine hundred thirteen".