1282261103 has 2 divisors, whose sum is σ = 1282261104. Its totient is φ = 1282261102.

The previous prime is 1282261081. The next prime is 1282261157. The reversal of 1282261103 is 3011622821.

It is a weak prime.

It is an emirp because it is prime and its reverse (3011622821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1282261103 - 2¹² = 1282257007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282261163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641130551 + 641130552.

It is an arithmetic number, because the mean of its divisors is an integer number (641130552).

Almost surely, 2^1282261103 is an apocalyptic number.

1282261103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282261103 is an equidigital number, since it uses as much as digits as its factorization.

1282261103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1282261103 is about 35808.6735721948. The cubic root of 1282261103 is about 1086.4060015729.

Adding to 1282261103 its reverse (3011622821), we get a palindrome (4293883924).

The spelling of 1282261103 in words is "one billion, two hundred eighty-two million, two hundred sixty-one thousand, one hundred three".