1132869897 has 6 divisors (see below), whose sum is σ = 1636367642. Its totient is φ = 755246592.

The previous prime is 1132869869. The next prime is 1132869901. The reversal of 1132869897 is 7989682311.

It can be written as a sum of positive squares in only one way, i.e., 1083463056 + 49406841 = 32916^2 + 7029^2 .

It is not a de Polignac number, because 1132869897 - 2¹² = 1132865801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132869827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62937208 + ... + 62937225.

Almost surely, 2^1132869897 is an apocalyptic number.

It is an amenable number.

1132869897 is a deficient number, since it is larger than the sum of its proper divisors (503497745).

1132869897 is a wasteful number, since it uses less digits than its factorization.

1132869897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125874439 (or 125874436 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1132869897 is about 33658.1327022163. The cubic root of 1132869897 is about 1042.4614702044.

It can be divided in two parts, 11328 and 69897, that added together give a square (81225 = 285²).

The spelling of 1132869897 in words is "one billion, one hundred thirty-two million, eight hundred sixty-nine thousand, eight hundred ninety-seven".