1369248271 has 2 divisors, whose sum is σ = 1369248272. Its totient is φ = 1369248270.

The previous prime is 1369248229. The next prime is 1369248301. The reversal of 1369248271 is 1728429631.

It is a strong prime.

It is an emirp because it is prime and its reverse (1728429631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369248271 - 2²³ = 1360859663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369246271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684624135 + 684624136.

It is an arithmetic number, because the mean of its divisors is an integer number (684624136).

Almost surely, 2^1369248271 is an apocalyptic number.

1369248271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369248271 is an equidigital number, since it uses as much as digits as its factorization.

1369248271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 1369248271 is about 37003.3548614176. The cubic root of 1369248271 is about 1110.4373654534.

The spelling of 1369248271 in words is "one billion, three hundred sixty-nine million, two hundred forty-eight thousand, two hundred seventy-one".