1361872079 has 2 divisors, whose sum is σ = 1361872080. Its totient is φ = 1361872078.

The previous prime is 1361872007. The next prime is 1361872111. The reversal of 1361872079 is 9702781631.

It is a strong prime.

It is an emirp because it is prime and its reverse (9702781631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361872079 - 2¹⁶ = 1361806543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361872679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680936039 + 680936040.

It is an arithmetic number, because the mean of its divisors is an integer number (680936040).

Almost surely, 2^1361872079 is an apocalyptic number.

1361872079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361872079 is an equidigital number, since it uses as much as digits as its factorization.

1361872079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1361872079 is about 36903.5510350969. The cubic root of 1361872079 is about 1108.4397848319.

The spelling of 1361872079 in words is "one billion, three hundred sixty-one million, eight hundred seventy-two thousand, seventy-nine".