1276200325 has 6 divisors (see below), whose sum is σ = 1582488434. Its totient is φ = 1020960240.

The previous prime is 1276200313. The next prime is 1276200329. The reversal of 1276200325 is 5230026721.

It can be written as a sum of positive squares in 3 ways, for example, as 134165889 + 1142034436 = 11583^2 + 33794^2 .

It is not a de Polignac number, because 1276200325 - 2⁵ = 1276200293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1276200293 and 1276200302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276200329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25523982 + ... + 25524031.

Almost surely, 2^1276200325 is an apocalyptic number.

It is an amenable number.

1276200325 is a deficient number, since it is larger than the sum of its proper divisors (306288109).

1276200325 is an equidigital number, since it uses as much as digits as its factorization.

1276200325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51048023 (or 51048018 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1276200325 is about 35723.9461006200. The cubic root of 1276200325 is about 1084.6916167196.

It can be divided in two parts, 1276 and 200325, that added together give a square (201601 = 449²).

The spelling of 1276200325 in words is "one billion, two hundred seventy-six million, two hundred thousand, three hundred twenty-five".