1282740941 has 2 divisors, whose sum is σ = 1282740942. Its totient is φ = 1282740940.

The previous prime is 1282740913. The next prime is 1282740947. The reversal of 1282740941 is 1490472821.

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., 1073938441 + 208802500 = 32771^2 + 14450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282740941 - 2¹⁴ = 1282724557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1282740895 and 1282740904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282740947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641370470 + 641370471.

It is an arithmetic number, because the mean of its divisors is an integer number (641370471).

Almost surely, 2^1282740941 is an apocalyptic number.

It is an amenable number.

1282740941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282740941 is an equidigital number, since it uses as much as digits as its factorization.

1282740941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1282740941 is about 35815.3729702763. The cubic root of 1282740941 is about 1086.5415002036.

The spelling of 1282740941 in words is "one billion, two hundred eighty-two million, seven hundred forty thousand, nine hundred forty-one".