1162845 has 12 divisors (see below), whose sum is σ = 2015676. Its totient is φ = 620160.

The previous prime is 1162807. The next prime is 1162853. The reversal of 1162845 is 5482611.

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 799236 = 603^2 + 894^2 .

It is not a de Polignac number, because 1162845 - 2⁸ = 1162589 is a prime.

1162845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12876 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (167973).

2^1162845 is an apocalyptic number.

1162845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1162845 is a deficient number, since it is larger than the sum of its proper divisors (852831).

1162845 is a wasteful number, since it uses less digits than its factorization.

1162845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25852 (or 25849 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1162845 is about 1078.3529106930. The cubic root of 1162845 is about 105.1575865014.

The spelling of 1162845 in words is "one million, one hundred sixty-two thousand, eight hundred forty-five".