1297315284 has 24 divisors (see below), whose sum is σ = 3027917760. Its totient is φ = 432317184.

The previous prime is 1297315247. The next prime is 1297315297. The reversal of 1297315284 is 4825137921.

It is a super-2 number, since 2×1297315284² = 3366053892200001312, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36457 + ... + 62639.

It is an arithmetic number, because the mean of its divisors is an integer number (126163240).

Almost surely, 2^1297315284 is an apocalyptic number.

It is an amenable number.

1297315284 is an abundant number, since it is smaller than the sum of its proper divisors (1730602476).

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

1297315284 is a wasteful number, since it uses less digits than its factorization.

1297315284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30319 (or 30317 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 1297315284 is about 36018.2632007708. The cubic root of 1297315284 is about 1090.6410627312.

The spelling of 1297315284 in words is "one billion, two hundred ninety-seven million, three hundred fifteen thousand, two hundred eighty-four".