1280412103 has 8 divisors (see below), whose sum is σ = 1356737040. Its totient is φ = 1204199040.

The previous prime is 1280412061. The next prime is 1280412149. The reversal of 1280412103 is 3012140821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1280412103 - 2²¹ = 1278314951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280412173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3793 + ... + 50746.

It is an arithmetic number, because the mean of its divisors is an integer number (169592130).

Almost surely, 2^1280412103 is an apocalyptic number.

1280412103 is a deficient number, since it is larger than the sum of its proper divisors (76324937).

1280412103 is a wasteful number, since it uses less digits than its factorization.

1280412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55937.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1280412103 is about 35782.8464910214. The cubic root of 1280412103 is about 1085.8835570146.

Adding to 1280412103 its reverse (3012140821), we get a palindrome (4292552924).

The spelling of 1280412103 in words is "one billion, two hundred eighty million, four hundred twelve thousand, one hundred three".