1260260347 has 2 divisors, whose sum is σ = 1260260348. Its totient is φ = 1260260346.

The previous prime is 1260260317. The next prime is 1260260357. The reversal of 1260260347 is 7430620621.

It is a strong prime.

It is an emirp because it is prime and its reverse (7430620621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260260347 is a prime.

It is a super-2 number, since 2×1260260347² = 3176512284441120818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1260260317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630130173 + 630130174.

It is an arithmetic number, because the mean of its divisors is an integer number (630130174).

Almost surely, 2^1260260347 is an apocalyptic number.

1260260347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260260347 is an equidigital number, since it uses as much as digits as its factorization.

1260260347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1260260347 is about 35500.1457320952. The cubic root of 1260260347 is about 1080.1566836577.

Adding to 1260260347 its reverse (7430620621), we get a palindrome (8690880968).

The spelling of 1260260347 in words is "one billion, two hundred sixty million, two hundred sixty thousand, three hundred forty-seven".