1166057 has 2 divisors, whose sum is σ = 1166058. Its totient is φ = 1166056.

The previous prime is 1166041. The next prime is 1166083. The reversal of 1166057 is 7506611.

It is an a-pointer prime, because the next prime (1166083) can be obtained adding 1166057 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 8281 = 1076^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166057 - 2⁴ = 1166041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166027) 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, 583028 + 583029.

It is an arithmetic number, because the mean of its divisors is an integer number (583029).

2^1166057 is an apocalyptic number.

It is an amenable number.

1166057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166057 is an equidigital number, since it uses as much as digits as its factorization.

1166057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1166057 is about 1079.8411920278. The cubic root of 1166057 is about 105.2543192710.

It can be divided in two parts, 11 and 66057, that multiplied together give a palindrome (726627).

The spelling of 1166057 in words is "one million, one hundred sixty-six thousand, fifty-seven".