1260741439 has 2 divisors, whose sum is σ = 1260741440. Its totient is φ = 1260741438.

The previous prime is 1260741407. The next prime is 1260741451. The reversal of 1260741439 is 9341470621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260741439 - 2⁵ = 1260741407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1260741398 and 1260741407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260745439) 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, 630370719 + 630370720.

It is an arithmetic number, because the mean of its divisors is an integer number (630370720).

Almost surely, 2^1260741439 is an apocalyptic number.

1260741439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260741439 is an equidigital number, since it uses as much as digits as its factorization.

1260741439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1260741439 is about 35506.9210014048. The cubic root of 1260741439 is about 1080.2941125707.

The spelling of 1260741439 in words is "one billion, two hundred sixty million, seven hundred forty-one thousand, four hundred thirty-nine".