1297282532 has 144 divisors (see below), whose sum is σ = 3030128640. Its totient is φ = 474304896.

The previous prime is 1297282507. The next prime is 1297282561. The reversal of 1297282532 is 2352827921.

It is a self number, because there is not a number n which added to its sum of digits gives 1297282532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4225523 + ... + 4225829.

It is an arithmetic number, because the mean of its divisors is an integer number (21042560).

Almost surely, 2^1297282532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297282532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515064320).

1297282532 is an abundant number, since it is smaller than the sum of its proper divisors (1732846108).

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

1297282532 is a wasteful number, since it uses less digits than its factorization.

1297282532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 395 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1297282532 is about 36017.8085396655. The cubic root of 1297282532 is about 1090.6318845519.

The spelling of 1297282532 in words is "one billion, two hundred ninety-seven million, two hundred eighty-two thousand, five hundred thirty-two".