1170725 has 6 divisors (see below), whose sum is σ = 1451730. Its totient is φ = 936560.

The previous prime is 1170721. The next prime is 1170727. The reversal of 1170725 is 5270711.

It is a happy number.

It is a Cunningham number, because it is equal to 1082²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 1170724 = 1^2 + 1082^2 .

It is not a de Polignac number, because 1170725 - 2² = 1170721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1170725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23390 + ... + 23439.

It is an arithmetic number, because the mean of its divisors is an integer number (241955).

2^1170725 is an apocalyptic number.

It is an amenable number.

1170725 is a deficient number, since it is larger than the sum of its proper divisors (281005).

1170725 is an equidigital number, since it uses as much as digits as its factorization.

1170725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46839 (or 46834 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1170725 is about 1082.0004621071. Note that the first 3 decimals coincide. The cubic root of 1170725 is about 105.3945848509.

Adding to 1170725 its product of nonzero digits (490), we get a triangular number (1171215 = T₁₅₃₀).

The spelling of 1170725 in words is "one million, one hundred seventy thousand, seven hundred twenty-five".