1133203122 has 40 divisors (see below), whose sum is σ = 2548482156. Its totient is φ = 376355808.

The previous prime is 1133203121. The next prime is 1133203129. The reversal of 1133203122 is 2213023311.

It can be written as a sum of positive squares in 2 ways, for example, as 1120307841 + 12895281 = 33471^2 + 3591^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1133203095 and 1133203104.

It is not an unprimeable number, because it can be changed into a prime (1133203121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32248 + ... + 57500.

Almost surely, 2^1133203122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133203122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274241078).

1133203122 is an abundant number, since it is smaller than the sum of its proper divisors (1415279034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133203122 is a wasteful number, since it uses less digits than its factorization.

1133203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25544 (or 25535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1133203122 is about 33663.0824791789. The cubic root of 1133203122 is about 1042.5636708692.

Adding to 1133203122 its reverse (2213023311), we get a palindrome (3346226433).

The spelling of 1133203122 in words is "one billion, one hundred thirty-three million, two hundred three thousand, one hundred twenty-two".