1282320532 has 24 divisors (see below), whose sum is σ = 2258333000. Its totient is φ = 637096320.

The previous prime is 1282320527. The next prime is 1282320547. The reversal of 1282320532 is 2350232821.

It can be written as a sum of positive squares in 4 ways, for example, as 159668496 + 1122652036 = 12636^2 + 33506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1282320532.

It is a congruent number.

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, 465094 + ... + 467842.

Almost surely, 2^1282320532 is an apocalyptic number.

It is an amenable number.

1282320532 is a deficient number, since it is larger than the sum of its proper divisors (976012468).

1282320532 is a wasteful number, since it uses less digits than its factorization.

1282320532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1282320532 is about 35809.5033755008. The cubic root of 1282320532 is about 1086.4227852125.

The spelling of 1282320532 in words is "one billion, two hundred eighty-two million, three hundred twenty thousand, five hundred thirty-two".