1129123 has 6 divisors (see below), whose sum is σ = 1199756. Its totient is φ = 1062432.

The previous prime is 1129111. The next prime is 1129127. The reversal of 1129123 is 3219211.

It is a de Polignac number, because none of the positive numbers 2^k-1129123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129123.

It is not an unprimeable number, because it can be changed into a prime (1129127) 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, 1665 + ... + 2242.

2^1129123 is an apocalyptic number.

1129123 is a deficient number, since it is larger than the sum of its proper divisors (70633).

1129123 is an equidigital number, since it uses as much as digits as its factorization.

1129123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3924 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 1129123 is about 1062.6019951045. The cubic root of 1129123 is about 104.1310908557.

The spelling of 1129123 in words is "one million, one hundred twenty-nine thousand, one hundred twenty-three".