1282530 has 16 divisors (see below), whose sum is σ = 3078144. Its totient is φ = 342000.

The previous prime is 1282529. The next prime is 1282543. The reversal of 1282530 is 352821.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1282497 and 1282506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (192384).

2^1282530 is an apocalyptic number.

1282530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1282530 is an abundant number, since it is smaller than the sum of its proper divisors (1795614).

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

1282530 is a wasteful number, since it uses less digits than its factorization.

1282530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42761.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1282530 is about 1132.4884105367. The cubic root of 1282530 is about 108.6481937978.

The spelling of 1282530 in words is "one million, two hundred eighty-two thousand, five hundred thirty".