1133197569 has 45 divisors (see below), whose sum is σ = 1917909123. Its totient is φ = 644713776.

The previous prime is 1133197547. The next prime is 1133197607. The reversal of 1133197569 is 9657913311.

It is a happy number.

The square root of 1133197569 is 33663.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1055405169 + 77792400 = 32487^2 + 8820^2 .

It is not a de Polignac number, because 1133197569 - 2⁵ = 1133197537 is a prime.

It is a super-2 number, since 2×1133197569² = 2568273460775019522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1133197669) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4948347 + ... + 4948575.

Almost surely, 2^1133197569 is an apocalyptic number.

1133197569 is the 33663-rd square number.

1133197569 is the 16832-nd centered octagonal number.

It is an amenable number.

1133197569 is a deficient number, since it is larger than the sum of its proper divisors (784711554).

1133197569 is an frugal number, since it uses more digits than its factorization.

1133197569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 239 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The cubic root of 1133197569 is about 1042.5619679190.

It can be divided in two parts, 11331 and 97569, that added together give a square (108900 = 330²).

The spelling of 1133197569 in words is "one billion, one hundred thirty-three million, one hundred ninety-seven thousand, five hundred sixty-nine".