1274145841 has 2 divisors, whose sum is σ = 1274145842. Its totient is φ = 1274145840.

The previous prime is 1274145823. The next prime is 1274145853. The reversal of 1274145841 is 1485414721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191699441 + 82446400 = 34521^2 + 9080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1274145841 - 2⁷ = 1274145713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1274145841.

It is not a weakly prime, because it can be changed into another prime (1274145241) 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, 637072920 + 637072921.

It is an arithmetic number, because the mean of its divisors is an integer number (637072921).

Almost surely, 2^1274145841 is an apocalyptic number.

It is an amenable number.

1274145841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274145841 is an equidigital number, since it uses as much as digits as its factorization.

1274145841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 37.

The square root of 1274145841 is about 35695.1795204899. The cubic root of 1274145841 is about 1084.1092425069.

The spelling of 1274145841 in words is "one billion, two hundred seventy-four million, one hundred forty-five thousand, eight hundred forty-one".