1361227471 has 2 divisors, whose sum is σ = 1361227472. Its totient is φ = 1361227470.

The previous prime is 1361227459. The next prime is 1361227501. The reversal of 1361227471 is 1747221631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361227471 - 2¹¹ = 1361225423 is a prime.

It is a super-3 number, since 3×1361227471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361221471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680613735 + 680613736.

It is an arithmetic number, because the mean of its divisors is an integer number (680613736).

Almost surely, 2^1361227471 is an apocalyptic number.

1361227471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361227471 is an equidigital number, since it uses as much as digits as its factorization.

1361227471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 1361227471 is about 36894.8163161168. The cubic root of 1361227471 is about 1108.2648731729.

The spelling of 1361227471 in words is "one billion, three hundred sixty-one million, two hundred twenty-seven thousand, four hundred seventy-one".