1161437 has 2 divisors, whose sum is σ = 1161438. Its totient is φ = 1161436.

The previous prime is 1161403. The next prime is 1161439. The reversal of 1161437 is 7341611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 326041 = 914^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161437 - 2¹⁰ = 1160413 is a prime.

Together with 1161439, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161439) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580718 + 580719.

It is an arithmetic number, because the mean of its divisors is an integer number (580719).

2^1161437 is an apocalyptic number.

It is an amenable number.

1161437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161437 is an equidigital number, since it uses as much as digits as its factorization.

1161437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 1161437 is about 1077.6998654542. The cubic root of 1161437 is about 105.1151269357.

The spelling of 1161437 in words is "one million, one hundred sixty-one thousand, four hundred thirty-seven".