1203725 has 12 divisors (see below), whose sum is σ = 1512180. Its totient is φ = 950400.

The previous prime is 1203691. The next prime is 1203731. The reversal of 1203725 is 5273021.

It can be written as a sum of positive squares in 6 ways, for example, as 148996 + 1054729 = 386^2 + 1027^2 .

It is not a de Polignac number, because 1203725 - 2⁶ = 1203661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203697 and 1203706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1955 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (126015).

2^1203725 is an apocalyptic number.

It is an amenable number.

1203725 is a deficient number, since it is larger than the sum of its proper divisors (308455).

1203725 is an equidigital number, since it uses as much as digits as its factorization.

1203725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1203725 is about 1097.1440197166. The cubic root of 1203725 is about 106.3756989841.

Adding to 1203725 its reverse (5273021), we get a palindrome (6476746).

The spelling of 1203725 in words is "one million, two hundred three thousand, seven hundred twenty-five".