1123199 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 843360.

The previous prime is 1123189. The next prime is 1123211. The reversal of 1123199 is 9913211.

It is not a de Polignac number, because 1123199 - 2¹⁶ = 1057663 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1123199 is an apocalyptic number.

1123199 is a deficient number, since it is larger than the sum of its proper divisors (328321).

1123199 is a wasteful number, since it uses less digits than its factorization.

1123199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 486, while the sum is 26.

The square root of 1123199 is about 1059.8108321771. The cubic root of 1123199 is about 103.9486617919.

The spelling of 1123199 in words is "one million, one hundred twenty-three thousand, one hundred ninety-nine".