1203412825 has 6 divisors (see below), whose sum is σ = 1492231934. Its totient is φ = 962730240.

The previous prime is 1203412817. The next prime is 1203412829. The reversal of 1203412825 is 5282143021.

It can be written as a sum of positive squares in 3 ways, for example, as 17505856 + 1185906969 = 4184^2 + 34437^2 .

It is not a de Polignac number, because 1203412825 - 2³ = 1203412817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203412793 and 1203412802.

It is not an unprimeable number, because it can be changed into a prime (1203412829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24068232 + ... + 24068281.

Almost surely, 2^1203412825 is an apocalyptic number.

It is an amenable number.

1203412825 is a deficient number, since it is larger than the sum of its proper divisors (288819109).

1203412825 is an equidigital number, since it uses as much as digits as its factorization.

1203412825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48136523 (or 48136518 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1203412825 is about 34690.2410628695. The cubic root of 1203412825 is about 1063.6650233624.

Adding to 1203412825 its reverse (5282143021), we get a palindrome (6485555846).

The spelling of 1203412825 in words is "one billion, two hundred three million, four hundred twelve thousand, eight hundred twenty-five".