1203302725 has 12 divisors (see below), whose sum is σ = 1520249796. Its totient is φ = 944478080.

The previous prime is 1203302719. The next prime is 1203302729. The reversal of 1203302725 is 5272033021.

It can be written as a sum of positive squares in 6 ways, for example, as 119115396 + 1084187329 = 10914^2 + 32927^2 .

It is not a de Polignac number, because 1203302725 - 2²⁷ = 1069084997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203302725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203302729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452752 + ... + 455401.

It is an arithmetic number, because the mean of its divisors is an integer number (126687483).

Almost surely, 2^1203302725 is an apocalyptic number.

It is an amenable number.

1203302725 is a deficient number, since it is larger than the sum of its proper divisors (316947071).

1203302725 is an equidigital number, since it uses as much as digits as its factorization.

1203302725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908216 (or 908211 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1203302725 is about 34688.6541249441. The cubic root of 1203302725 is about 1063.6325842059.

Adding to 1203302725 its reverse (5272033021), we get a palindrome (6475335746).

The spelling of 1203302725 in words is "one billion, two hundred three million, three hundred two thousand, seven hundred twenty-five".