1133521002 has 36 divisors (see below), whose sum is σ = 2608940646. Its totient is φ = 355612800.

The previous prime is 1133520989. The next prime is 1133521013. The reversal of 1133521002 is 2001253311.

It can be written as a sum of positive squares in 3 ways, for example, as 935809281 + 197711721 = 30591^2 + 14061^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103749 + ... + 114152.

Almost surely, 2^1133521002 is an apocalyptic number.

1133521002 is an abundant number, since it is smaller than the sum of its proper divisors (1475419644).

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

1133521002 is a wasteful number, since it uses less digits than its factorization.

1133521002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217943 (or 217923 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1133521002 is about 33667.8036408673. The cubic root of 1133521002 is about 1042.6611465261.

Adding to 1133521002 its reverse (2001253311), we get a palindrome (3134774313).

The spelling of 1133521002 in words is "one billion, one hundred thirty-three million, five hundred twenty-one thousand, two".