1136970961 has 9 divisors (see below), whose sum is σ = 1322873499. Its totient is φ = 974344224.

The previous prime is 1136970953. The next prime is 1136970977. The reversal of 1136970961 is 1690796311.

The square root of 1136970961 is 33719.

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., 103734225 + 1033236736 = 10185^2 + 32144^2 .

It is not a de Polignac number, because 1136970961 - 2³ = 1136970953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136971961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 233625 + ... + 238441.

Almost surely, 2^1136970961 is an apocalyptic number.

1136970961 is the 33719-th square number.

1136970961 is the 16860-th centered octagonal number.

It is an amenable number.

1136970961 is a deficient number, since it is larger than the sum of its proper divisors (185902538).

1136970961 is an frugal number, since it uses more digits than its factorization.

1136970961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 4824 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The cubic root of 1136970961 is about 1043.7178818281.

The spelling of 1136970961 in words is "one billion, one hundred thirty-six million, nine hundred seventy thousand, nine hundred sixty-one".