1185493 has 2 divisors, whose sum is σ = 1185494. Its totient is φ = 1185492.

The previous prime is 1185469. The next prime is 1185497. The reversal of 1185493 is 3945811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 23409 = 1078^2 + 153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1185493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1185497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592746 + 592747.

It is an arithmetic number, because the mean of its divisors is an integer number (592747).

2^1185493 is an apocalyptic number.

It is an amenable number.

1185493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185493 is an equidigital number, since it uses as much as digits as its factorization.

1185493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 1185493 is about 1088.8034717064. The cubic root of 1185493 is about 105.8358977341.

The spelling of 1185493 in words is "one million, one hundred eighty-five thousand, four hundred ninety-three".