1282285281 has 16 divisors (see below), whose sum is σ = 1801002240. Its totient is φ = 809277840.

The previous prime is 1282285267. The next prime is 1282285297. The reversal of 1282285281 is 1825822821.

1282285281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1282285281 - 2⁶ = 1282285217 is a prime.

It is a super-2 number, since 2×1282285281² = 3288511083738497922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1282285201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79426 + ... + 94196.

It is an arithmetic number, because the mean of its divisors is an integer number (112562640).

Almost surely, 2^1282285281 is an apocalyptic number.

It is an amenable number.

1282285281 is a deficient number, since it is larger than the sum of its proper divisors (518716959).

1282285281 is a wasteful number, since it uses less digits than its factorization.

1282285281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316.

The product of its digits is 40960, while the sum is 39.

The square root of 1282285281 is about 35809.0111703744. The cubic root of 1282285281 is about 1086.4128298648.

The spelling of 1282285281 in words is "one billion, two hundred eighty-two million, two hundred eighty-five thousand, two hundred eighty-one".