1173125 has 10 divisors (see below), whose sum is σ = 1466718. Its totient is φ = 938000.

The previous prime is 1173121. The next prime is 1173127. The reversal of 1173125 is 5213711.

It can be written as a sum of positive squares in 5 ways, for example, as 388129 + 784996 = 623^2 + 886^2 .

It is not a de Polignac number, because 1173125 - 2² = 1173121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1173097 and 1173106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 314 + ... + 1563.

2^1173125 is an apocalyptic number.

It is an amenable number.

1173125 is a deficient number, since it is larger than the sum of its proper divisors (293593).

1173125 is an frugal number, since it uses more digits than its factorization.

1173125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1882 counting only the distinct ones).

The product of its digits is 210, while the sum is 20.

The square root of 1173125 is about 1083.1089511217. The cubic root of 1173125 is about 105.4665557385.

Adding to 1173125 its reverse (5213711), we get a palindrome (6386836).

The spelling of 1173125 in words is "one million, one hundred seventy-three thousand, one hundred twenty-five".