1281282 has 16 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 424352.

The previous prime is 1281281. The next prime is 1281283. The reversal of 1281282 is 2821821.

It is an interprime number because it is at equal distance from previous prime (1281281) and next prime (1281283).

It is not an unprimeable number, because it can be changed into a prime (1281281) 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, 478 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (161190).

2^1281282 is an apocalyptic number.

1281282 is an abundant number, since it is smaller than the sum of its proper divisors (1297758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1281282 is a wasteful number, since it uses less digits than its factorization.

1281282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 512, while the sum is 24.

The square root of 1281282 is about 1131.9372774143. The cubic root of 1281282 is about 108.6129413540.

The spelling of 1281282 in words is "one million, two hundred eighty-one thousand, two hundred eighty-two".