1282401103 has 4 divisors (see below), whose sum is σ = 1357836480. Its totient is φ = 1206965728.

The previous prime is 1282401097. The next prime is 1282401119. The reversal of 1282401103 is 3011042821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1282401103 - 2²⁵ = 1248846671 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 (1282401163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37717663 + ... + 37717696.

It is an arithmetic number, because the mean of its divisors is an integer number (339459120).

Almost surely, 2^1282401103 is an apocalyptic number.

1282401103 is a deficient number, since it is larger than the sum of its proper divisors (75435377).

1282401103 is an equidigital number, since it uses as much as digits as its factorization.

1282401103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75435376.

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

The square root of 1282401103 is about 35810.6283524878. The cubic root of 1282401103 is about 1086.4455388416.

Adding to 1282401103 its reverse (3011042821), we get a palindrome (4293443924).

The spelling of 1282401103 in words is "one billion, two hundred eighty-two million, four hundred one thousand, one hundred three".