1122849 has 32 divisors (see below), whose sum is σ = 2051840. Its totient is φ = 590976.

The previous prime is 1122841. The next prime is 1122857. The reversal of 1122849 is 9482211.

It is an interprime number because it is at equal distance from previous prime (1122841) and next prime (1122857).

It is not a de Polignac number, because 1122849 - 2³ = 1122841 is a prime.

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

1122849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1122841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2229 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (64120).

2^1122849 is an apocalyptic number.

It is an amenable number.

1122849 is a deficient number, since it is larger than the sum of its proper divisors (928991).

1122849 is a wasteful number, since it uses less digits than its factorization.

1122849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 480 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1122849 is about 1059.6456955039. The cubic root of 1122849 is about 103.9378635240.

The spelling of 1122849 in words is "one million, one hundred twenty-two thousand, eight hundred forty-nine".