1163125 has 10 divisors (see below), whose sum is σ = 1454222. Its totient is φ = 930000.

The previous prime is 1163119. The next prime is 1163131. The reversal of 1163125 is 5213611.

It is an interprime number because it is at equal distance from previous prime (1163119) and next prime (1163131).

It can be written as a sum of positive squares in 5 ways, for example, as 877969 + 285156 = 937^2 + 534^2 .

It is not a de Polignac number, because 1163125 - 2⁵ = 1163093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 306 + ... + 1555.

2^1163125 is an apocalyptic number.

It is an amenable number.

1163125 is a deficient number, since it is larger than the sum of its proper divisors (291097).

1163125 is an frugal number, since it uses more digits than its factorization.

1163125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1866 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 1163125 is about 1078.4827305061. The cubic root of 1163125 is about 105.1660260788.

Adding to 1163125 its reverse (5213611), we get a palindrome (6376736).

It can be divided in two parts, 11 and 63125, that added together give a palindrome (63136).

The spelling of 1163125 in words is "one million, one hundred sixty-three thousand, one hundred twenty-five".