1325727117 has 24 divisors (see below), whose sum is σ = 2249720928. Its totient is φ = 741664800.

The previous prime is 1325727113. The next prime is 1325727119. The reversal of 1325727117 is 7117275231.

It is a happy number.

1325727117 is a `hidden beast` number, since 1 + 3 + 2 + 572 + 71 + 17 = 666.

It is not a de Polignac number, because 1325727117 - 2² = 1325727113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325727113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513759 + ... + 516332.

It is an arithmetic number, because the mean of its divisors is an integer number (93738372).

Almost surely, 2^1325727117 is an apocalyptic number.

It is an amenable number.

1325727117 is a deficient number, since it is larger than the sum of its proper divisors (923993811).

1325727117 is a wasteful number, since it uses less digits than its factorization.

1325727117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030121 (or 1030118 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 1325727117 is about 36410.5357966619. The cubic root of 1325727117 is about 1098.5454927343.

The spelling of 1325727117 in words is "one billion, three hundred twenty-five million, seven hundred twenty-seven thousand, one hundred seventeen".