1123200105 has 16 divisors (see below), whose sum is σ = 1891705920. Its totient is φ = 567511488.

The previous prime is 1123200097. The next prime is 1123200107. The reversal of 1123200105 is 5010023211.

It is not a de Polignac number, because 1123200105 - 2³ = 1123200097 is a prime.

It is a super-2 number, since 2×1123200105² = 2523156951744022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1123200107) 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, 1970242 + ... + 1970811.

It is an arithmetic number, because the mean of its divisors is an integer number (118231620).

Almost surely, 2^1123200105 is an apocalyptic number.

1123200105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123200105 is a deficient number, since it is larger than the sum of its proper divisors (768505815).

1123200105 is a wasteful number, since it uses less digits than its factorization.

1123200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941080.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1123200105 is about 33514.1776715467. The cubic root of 1123200105 is about 1039.4869588005.

Adding to 1123200105 its reverse (5010023211), we get a palindrome (6133223316).

The spelling of 1123200105 in words is "one billion, one hundred twenty-three million, two hundred thousand, one hundred five".