1130237161 has 3 divisors (see below), whose sum is σ = 1130270781. Its totient is φ = 1130203542.

The previous prime is 1130237149. The next prime is 1130237177. The reversal of 1130237161 is 1617320311.

The square root of 1130237161 is 33619.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1130237161 - 2⁷ = 1130237033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130237131) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16810 + ... + 50428.

It is an arithmetic number, because the mean of its divisors is an integer number (376756927).

Almost surely, 2^1130237161 is an apocalyptic number.

1130237161 is the 33619-th square number.

1130237161 is the 16810-th centered octagonal number.

It is an amenable number.

1130237161 is a deficient number, since it is larger than the sum of its proper divisors (33620).

1130237161 is an frugal number, since it uses more digits than its factorization.

1130237161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67238 (or 33619 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The cubic root of 1130237161 is about 1041.6533001321.

Multiplying 1130237161 by its sum of digits (25), we get a square (28255929025 = 168095²).

Adding to 1130237161 its reverse (1617320311), we get a palindrome (2747557472).

The spelling of 1130237161 in words is "one billion, one hundred thirty million, two hundred thirty-seven thousand, one hundred sixty-one".