1260607399 has 2 divisors, whose sum is σ = 1260607400. Its totient is φ = 1260607398.

The previous prime is 1260607379. The next prime is 1260607417. The reversal of 1260607399 is 9937060621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260607399 - 2¹¹ = 1260605351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260607379) 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 as a sum of consecutive naturals, namely, 630303699 + 630303700.

It is an arithmetic number, because the mean of its divisors is an integer number (630303700).

Almost surely, 2^1260607399 is an apocalyptic number.

1260607399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260607399 is an equidigital number, since it uses as much as digits as its factorization.

1260607399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1260607399 is about 35505.0334318953. The cubic root of 1260607399 is about 1080.2558261702.

The spelling of 1260607399 in words is "one billion, two hundred sixty million, six hundred seven thousand, three hundred ninety-nine".