1152827685 has 24 divisors (see below), whose sum is σ = 2052243960. Its totient is φ = 598223232.

The previous prime is 1152827657. The next prime is 1152827693. The reversal of 1152827685 is 5867282511.

It can be written as a sum of positive squares in 4 ways, for example, as 160199649 + 992628036 = 12657^2 + 31506^2 .

It is not a de Polignac number, because 1152827685 - 2¹² = 1152823589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1152827685.

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 23 ways as a sum of consecutive naturals, for example, 344530 + ... + 347859.

It is an arithmetic number, because the mean of its divisors is an integer number (85510165).

Almost surely, 2^1152827685 is an apocalyptic number.

1152827685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152827685 is a deficient number, since it is larger than the sum of its proper divisors (899416275).

1152827685 is a wasteful number, since it uses less digits than its factorization.

1152827685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692437 (or 692434 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 1152827685 is about 33953.3162592404. The cubic root of 1152827685 is about 1048.5475564167.

The spelling of 1152827685 in words is "one billion, one hundred fifty-two million, eight hundred twenty-seven thousand, six hundred eighty-five".