1307421611 has 2 divisors, whose sum is σ = 1307421612. Its totient is φ = 1307421610.

The previous prime is 1307421589. The next prime is 1307421613. The reversal of 1307421611 is 1161247031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1307421611 - 2²² = 1303227307 is a prime.

It is a Sophie Germain prime.

Together with 1307421613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1307421613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653710805 + 653710806.

It is an arithmetic number, because the mean of its divisors is an integer number (653710806).

Almost surely, 2^1307421611 is an apocalyptic number.

1307421611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307421611 is an equidigital number, since it uses as much as digits as its factorization.

1307421611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1307421611 is about 36158.2855096864. The cubic root of 1307421611 is about 1093.4658390139.

Adding to 1307421611 its reverse (1161247031), we get a palindrome (2468668642).

The spelling of 1307421611 in words is "one billion, three hundred seven million, four hundred twenty-one thousand, six hundred eleven".