1280348141 has 2 divisors, whose sum is σ = 1280348142. Its totient is φ = 1280348140.

The previous prime is 1280348137. The next prime is 1280348171. The reversal of 1280348141 is 1418430821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139332516 + 141015625 = 33754^2 + 11875^2 .

It is an emirp because it is prime and its reverse (1418430821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1280348141 - 2² = 1280348137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1280348098 and 1280348107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1280348171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640174070 + 640174071.

It is an arithmetic number, because the mean of its divisors is an integer number (640174071).

Almost surely, 2^1280348141 is an apocalyptic number.

It is an amenable number.

1280348141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280348141 is an equidigital number, since it uses as much as digits as its factorization.

1280348141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1280348141 is about 35781.9527275972. The cubic root of 1280348141 is about 1085.8654752214.

Adding to 1280348141 its reverse (1418430821), we get a palindrome (2698778962).

The spelling of 1280348141 in words is "one billion, two hundred eighty million, three hundred forty-eight thousand, one hundred forty-one".