1131937 has 2 divisors, whose sum is σ = 1131938. Its totient is φ = 1131936.

The previous prime is 1131919. The next prime is 1131943. The reversal of 1131937 is 7391311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817216 + 314721 = 904^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131937 - 2¹¹ = 1129889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565968 + 565969.

It is an arithmetic number, because the mean of its divisors is an integer number (565969).

2^1131937 is an apocalyptic number.

It is an amenable number.

1131937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131937 is an equidigital number, since it uses as much as digits as its factorization.

1131937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567, while the sum is 25.

The square root of 1131937 is about 1063.9252793312. The cubic root of 1131937 is about 104.2175242501.

The spelling of 1131937 in words is "one million, one hundred thirty-one thousand, nine hundred thirty-seven".