1133000100 has 54 divisors (see below), whose sum is σ = 3551328690. Its totient is φ = 302133120.

The previous prime is 1133000093. The next prime is 1133000117. The reversal of 1133000100 is 10003311.

It can be written as a sum of positive squares in 3 ways, for example, as 344176704 + 788823396 = 18552^2 + 28086^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 628545 + ... + 630344.

Almost surely, 2^1133000100 is an apocalyptic number.

1133000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133000100 is an abundant number, since it is smaller than the sum of its proper divisors (2418328590).

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

1133000100 is a wasteful number, since it uses less digits than its factorization.

1133000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258909 (or 1258899 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1133000100 is about 33660.0668448534. The cubic root of 1133000100 is about 1042.5014060675.

Adding to 1133000100 its reverse (10003311), we get a palindrome (1143003411).

The spelling of 1133000100 in words is "one billion, one hundred thirty-three million, one hundred", and thus it is an aban number.