1301120071 has 2 divisors, whose sum is σ = 1301120072. Its totient is φ = 1301120070.

The previous prime is 1301120069. The next prime is 1301120087. The reversal of 1301120071 is 1700211031.

It is an a-pointer prime, because the next prime (1301120087) can be obtained adding 1301120071 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301120071 - 2¹ = 1301120069 is a prime.

Together with 1301120069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301120671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650560035 + 650560036.

It is an arithmetic number, because the mean of its divisors is an integer number (650560036).

Almost surely, 2^1301120071 is an apocalyptic number.

1301120071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301120071 is an equidigital number, since it uses as much as digits as its factorization.

1301120071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1301120071 is about 36071.0420004746. The cubic root of 1301120071 is about 1091.7062386008.

The spelling of 1301120071 in words is "one billion, three hundred one million, one hundred twenty thousand, seventy-one".