1150861 has 2 divisors, whose sum is σ = 1150862. Its totient is φ = 1150860.

The previous prime is 1150847. The next prime is 1150867. The reversal of 1150861 is 1680511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 8100 = 1069^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150861 - 2⁷ = 1150733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150867) 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, 575430 + 575431.

It is an arithmetic number, because the mean of its divisors is an integer number (575431).

2^1150861 is an apocalyptic number.

It is an amenable number.

1150861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150861 is an equidigital number, since it uses as much as digits as its factorization.

1150861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1150861 is about 1072.7818976847. The cubic root of 1150861 is about 104.7950954817.

The spelling of 1150861 in words is "one million, one hundred fifty thousand, eight hundred sixty-one".