1133521672 has 32 divisors (see below), whose sum is σ = 2147967000. Its totient is φ = 560761344.

The previous prime is 1133521663. The next prime is 1133521681. The reversal of 1133521672 is 2761253311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1133521663) and next prime (1133521681).

It can be written as a sum of positive squares in 4 ways, for example, as 465092356 + 668429316 = 21566^2 + 25854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328468 + ... + 331900.

Almost surely, 2^1133521672 is an apocalyptic number.

It is an amenable number.

1133521672 is a deficient number, since it is larger than the sum of its proper divisors (1014445328).

1133521672 is a wasteful number, since it uses less digits than its factorization.

1133521672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3861 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 1133521672 is about 33667.8135910249. The cubic root of 1133521672 is about 1042.6613519576.

Adding to 1133521672 its reverse (2761253311), we get a palindrome (3894774983).

The spelling of 1133521672 in words is "one billion, one hundred thirty-three million, five hundred twenty-one thousand, six hundred seventy-two".