1201825 has 6 divisors (see below), whose sum is σ = 1490294. Its totient is φ = 961440.

The previous prime is 1201813. The next prime is 1201829. The reversal of 1201825 is 5281021.

It can be written as a sum of positive squares in 3 ways, for example, as 185761 + 1016064 = 431^2 + 1008^2 .

It is not a de Polignac number, because 1201825 - 2⁵ = 1201793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24012 + ... + 24061.

2^1201825 is an apocalyptic number.

It is an amenable number.

1201825 is a deficient number, since it is larger than the sum of its proper divisors (288469).

1201825 is an equidigital number, since it uses as much as digits as its factorization.

1201825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48083 (or 48078 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1201825 is about 1096.2777932623. The cubic root of 1201825 is about 106.3197005176.

Adding to 1201825 its reverse (5281021), we get a palindrome (6482846).

The spelling of 1201825 in words is "one million, two hundred one thousand, eight hundred twenty-five".