1361117071 has 2 divisors, whose sum is σ = 1361117072. Its totient is φ = 1361117070.

The previous prime is 1361117063. The next prime is 1361117081. The reversal of 1361117071 is 1707111631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361117071 - 2³ = 1361117063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361117081) 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, 680558535 + 680558536.

It is an arithmetic number, because the mean of its divisors is an integer number (680558536).

Almost surely, 2^1361117071 is an apocalyptic number.

1361117071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361117071 is an equidigital number, since it uses as much as digits as its factorization.

1361117071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 1361117071 is about 36893.3201406433. The cubic root of 1361117071 is about 1108.2349110609.

The spelling of 1361117071 in words is "one billion, three hundred sixty-one million, one hundred seventeen thousand, seventy-one".