1100849 has 6 divisors (see below), whose sum is σ = 1151346. Its totient is φ = 1052480.

The previous prime is 1100839. The next prime is 1100851. The reversal of 1100849 is 9480011.

It can be written as a sum of positive squares in only one way, i.e., 889249 + 211600 = 943^2 + 460^2 .

It is not a de Polignac number, because 1100849 - 2⁴ = 1100833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (191891).

2^1100849 is an apocalyptic number.

It is an amenable number.

1100849 is a deficient number, since it is larger than the sum of its proper divisors (50497).

1100849 is an equidigital number, since it uses as much as digits as its factorization.

1100849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1100849 is about 1049.2135149720. The cubic root of 1100849 is about 103.2545624680.

The spelling of 1100849 in words is "one million, one hundred thousand, eight hundred forty-nine".