1145786 has 16 divisors (see below), whose sum is σ = 1791720. Its totient is φ = 549120.

The previous prime is 1145773. The next prime is 1145789. The reversal of 1145786 is 6875411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 390625 + 755161 = 625^2 + 869^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1145789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7220 + ... + 7376.

2^1145786 is an apocalyptic number.

1145786 is a deficient number, since it is larger than the sum of its proper divisors (645934).

1145786 is a wasteful number, since it uses less digits than its factorization.

1145786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 6720, while the sum is 32.

The square root of 1145786 is about 1070.4139386237. The cubic root of 1145786 is about 104.6408287248.

The spelling of 1145786 in words is "one million, one hundred forty-five thousand, seven hundred eighty-six".