1166147 has 2 divisors, whose sum is σ = 1166148. Its totient is φ = 1166146.

The previous prime is 1166141. The next prime is 1166153. The reversal of 1166147 is 7416611.

It is a balanced prime because it is at equal distance from previous prime (1166141) and next prime (1166153).

It is a cyclic number.

It is not a de Polignac number, because 1166147 - 2⁴ = 1166131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583073 + 583074.

It is an arithmetic number, because the mean of its divisors is an integer number (583074).

2^1166147 is an apocalyptic number.

1166147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166147 is an equidigital number, since it uses as much as digits as its factorization.

1166147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 1166147 is about 1079.8828640181. The cubic root of 1166147 is about 105.2570271561.

The spelling of 1166147 in words is "one million, one hundred sixty-six thousand, one hundred forty-seven".