1136091 has 16 divisors (see below), whose sum is σ = 1670400. Its totient is φ = 681120.

The previous prime is 1136089. The next prime is 1136111. The reversal of 1136091 is 1906311.

It is a happy number.

It is not a de Polignac number, because 1136091 - 2¹ = 1136089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1136041) 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, 5610 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (104400).

2^1136091 is an apocalyptic number.

1136091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1136091 is a deficient number, since it is larger than the sum of its proper divisors (534309).

1136091 is a wasteful number, since it uses less digits than its factorization.

1136091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1136091 is about 1065.8756963174. The cubic root of 1136091 is about 104.3448549803.

The spelling of 1136091 in words is "one million, one hundred thirty-six thousand, ninety-one".