1123201126 has 16 divisors (see below), whose sum is σ = 1693520064. Its totient is φ = 558702144.

The previous prime is 1123201097. The next prime is 1123201127. The reversal of 1123201126 is 6211023211.

1123201126 = 250² + 251² + ... + 1501².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123201127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382275 + ... + 385201.

It is an arithmetic number, because the mean of its divisors is an integer number (105845004).

Almost surely, 2^1123201126 is an apocalyptic number.

1123201126 is a deficient number, since it is larger than the sum of its proper divisors (570318938).

1123201126 is a wasteful number, since it uses less digits than its factorization.

1123201126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1123201126 is about 33514.1929039027. The cubic root of 1123201126 is about 1039.4872737684.

Adding to 1123201126 its reverse (6211023211), we get a palindrome (7334224337).

The spelling of 1123201126 in words is "one billion, one hundred twenty-three million, two hundred one thousand, one hundred twenty-six".