1181057 has 2 divisors, whose sum is σ = 1181058. Its totient is φ = 1181056.

The previous prime is 1181053. The next prime is 1181093. The reversal of 1181057 is 7501811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 80656 = 1049^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181057 - 2² = 1181053 is a prime.

It is not a weakly prime, because it can be changed into another prime (1181051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590528 + 590529.

It is an arithmetic number, because the mean of its divisors is an integer number (590529).

2^1181057 is an apocalyptic number.

It is an amenable number.

1181057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181057 is an equidigital number, since it uses as much as digits as its factorization.

1181057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1181057 is about 1086.7644639019. The cubic root of 1181057 is about 105.7037235091.

Adding to 1181057 its reverse (7501811), we get a palindrome (8682868).

The spelling of 1181057 in words is "one million, one hundred eighty-one thousand, fifty-seven".