1123049 has 4 divisors (see below), whose sum is σ = 1125264. Its totient is φ = 1120836.

The previous prime is 1122997. The next prime is 1123051. The reversal of 1123049 is 9403211.

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 a de Polignac number, because none of the positive numbers 2^k-1123049 is a prime.

It is a super-2 number, since 2×1123049² = 2522478112802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123049.

It is not an unprimeable number, because it can be changed into a prime (1123079) 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, 74 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (281316).

2^1123049 is an apocalyptic number.

It is an amenable number.

1123049 is a deficient number, since it is larger than the sum of its proper divisors (2215).

1123049 is an equidigital number, since it uses as much as digits as its factorization.

1123049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1123049 is about 1059.7400624682. The cubic root of 1123049 is about 103.9440342375.

The spelling of 1123049 in words is "one million, one hundred twenty-three thousand, forty-nine".