1137161 has 2 divisors, whose sum is σ = 1137162. Its totient is φ = 1137160.

The previous prime is 1137139. The next prime is 1137163. The reversal of 1137161 is 1617311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 270400 = 931^2 + 520^2 .

It is an emirp because it is prime and its reverse (1617311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137161 is a prime.

Together with 1137163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1137163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568580 + 568581.

It is an arithmetic number, because the mean of its divisors is an integer number (568581).

2^1137161 is an apocalyptic number.

It is an amenable number.

1137161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137161 is an equidigital number, since it uses as much as digits as its factorization.

1137161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 20.

The square root of 1137161 is about 1066.3775128912. The cubic root of 1137161 is about 104.3776029327.

The spelling of 1137161 in words is "one million, one hundred thirty-seven thousand, one hundred sixty-one".