1163045 has 16 divisors (see below), whose sum is σ = 1557360. Its totient is φ = 827904.

The previous prime is 1163039. The next prime is 1163069. The reversal of 1163045 is 5403611.

It can be written as a sum of positive squares in 8 ways, for example, as 329476 + 833569 = 574^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163045 - 2⁶ = 1162981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (97335).

2^1163045 is an apocalyptic number.

It is an amenable number.

1163045 is a deficient number, since it is larger than the sum of its proper divisors (394315).

1163045 is a wasteful number, since it uses less digits than its factorization.

1163045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1163045 is about 1078.4456407256. The cubic root of 1163045 is about 105.1636149092.

Adding to 1163045 its reverse (5403611), we get a palindrome (6566656).

It can be divided in two parts, 116 and 3045, that multiplied together give a triangular number (353220 = T₈₄₀).

The spelling of 1163045 in words is "one million, one hundred sixty-three thousand, forty-five".