1115849 has 4 divisors (see below), whose sum is σ = 1275264. Its totient is φ = 956436.

The previous prime is 1115843. The next prime is 1115857. The reversal of 1115849 is 9485111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1115849 - 2²⁰ = 67273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79697 + ... + 79710.

It is an arithmetic number, because the mean of its divisors is an integer number (318816).

2^1115849 is an apocalyptic number.

It is an amenable number.

1115849 is a deficient number, since it is larger than the sum of its proper divisors (159415).

1115849 is an equidigital number, since it uses as much as digits as its factorization.

1115849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159414.

The product of its digits is 1440, while the sum is 29.

The square root of 1115849 is about 1056.3375407511. The cubic root of 1115849 is about 103.7214253334.

The spelling of 1115849 in words is "one million, one hundred fifteen thousand, eight hundred forty-nine".