1166131 has 2 divisors, whose sum is σ = 1166132. Its totient is φ = 1166130.

The previous prime is 1166107. The next prime is 1166141. The reversal of 1166131 is 1316611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166131 - 2¹⁹ = 641843 is a prime.

It is a super-2 number, since 2×1166131² = 2719723018322, which contains 22 as substring.

It is a Chen prime.

1166131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1166099 and 1166108.

It is not a weakly prime, because it can be changed into another prime (1166101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583065 + 583066.

It is an arithmetic number, because the mean of its divisors is an integer number (583066).

2^1166131 is an apocalyptic number.

1166131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166131 is an equidigital number, since it uses as much as digits as its factorization.

1166131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 1166131 is about 1079.8754557818. The cubic root of 1166131 is about 105.2565457645.

The spelling of 1166131 in words is "one million, one hundred sixty-six thousand, one hundred thirty-one".