1163275 has 24 divisors (see below), whose sum is σ = 1587200. Its totient is φ = 842400.

The previous prime is 1163273. The next prime is 1163311. The reversal of 1163275 is 5723611.

It is not a de Polignac number, because 1163275 - 2¹ = 1163273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163273) 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 23 ways as a sum of consecutive naturals, for example, 14686 + ... + 14764.

2^1163275 is an apocalyptic number.

1163275 is a deficient number, since it is larger than the sum of its proper divisors (423925).

1163275 is a wasteful number, since it uses less digits than its factorization.

1163275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 134 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 1163275 is about 1078.5522704070. The cubic root of 1163275 is about 105.1705467238.

Adding to 1163275 its reverse (5723611), we get a palindrome (6886886).

The spelling of 1163275 in words is "one million, one hundred sixty-three thousand, two hundred seventy-five".