1149986 has 8 divisors (see below), whose sum is σ = 1742364. Its totient is φ = 569200.

The previous prime is 1149983. The next prime is 1149989. The reversal of 1149986 is 6899411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1149983) and next prime (1149989).

It can be written as a sum of positive squares in 2 ways, for example, as 1142761 + 7225 = 1069^2 + 85^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1149983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645 + ... + 3048.

2^1149986 is an apocalyptic number.

1149986 is a deficient number, since it is larger than the sum of its proper divisors (592378).

1149986 is a wasteful number, since it uses less digits than its factorization.

1149986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its digits is 15552, while the sum is 38.

The square root of 1149986 is about 1072.3740019228. The cubic root of 1149986 is about 104.7685301661.

The spelling of 1149986 in words is "one million, one hundred forty-nine thousand, nine hundred eighty-six".