1185425 has 6 divisors (see below), whose sum is σ = 1469958. Its totient is φ = 948320.

The previous prime is 1185403. The next prime is 1185439. The reversal of 1185425 is 5245811.

It can be written as a sum of positive squares in 3 ways, for example, as 1681 + 1183744 = 41^2 + 1088^2 .

It is not a de Polignac number, because 1185425 - 2⁶ = 1185361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1185394 and 1185403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23684 + ... + 23733.

It is an arithmetic number, because the mean of its divisors is an integer number (244993).

2^1185425 is an apocalyptic number.

It is an amenable number.

1185425 is a deficient number, since it is larger than the sum of its proper divisors (284533).

1185425 is an equidigital number, since it uses as much as digits as its factorization.

1185425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47427 (or 47422 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1185425 is about 1088.7722443193. The cubic root of 1185425 is about 105.8338741094.

The spelling of 1185425 in words is "one million, one hundred eighty-five thousand, four hundred twenty-five".