1274221471 has 2 divisors, whose sum is σ = 1274221472. Its totient is φ = 1274221470.

The previous prime is 1274221457. The next prime is 1274221483. The reversal of 1274221471 is 1741224721.

It is a strong prime.

It is an emirp because it is prime and its reverse (1741224721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1274221471 - 2⁵ = 1274221439 is a prime.

It is a super-3 number, since 3×1274221471³ (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 (1274221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637110735 + 637110736.

It is an arithmetic number, because the mean of its divisors is an integer number (637110736).

Almost surely, 2^1274221471 is an apocalyptic number.

1274221471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274221471 is an equidigital number, since it uses as much as digits as its factorization.

1274221471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

The square root of 1274221471 is about 35696.2388915135. The cubic root of 1274221471 is about 1084.1306920556.

The spelling of 1274221471 in words is "one billion, two hundred seventy-four million, two hundred twenty-one thousand, four hundred seventy-one".