1297248330 has 64 divisors (see below), whose sum is σ = 3561781248. Its totient is φ = 296212800.

The previous prime is 1297248317. The next prime is 1297248347. The reversal of 1297248330 is 338427921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254305 + ... + 259355.

It is an arithmetic number, because the mean of its divisors is an integer number (55652832).

Almost surely, 2^1297248330 is an apocalyptic number.

1297248330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297248330 is an abundant number, since it is smaller than the sum of its proper divisors (2264532918).

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

1297248330 is a wasteful number, since it uses less digits than its factorization.

1297248330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1297248330 is about 36017.3337436296. Note that the first 3 decimals coincide. The cubic root of 1297248330 is about 1090.6222998704.

The spelling of 1297248330 in words is "one billion, two hundred ninety-seven million, two hundred forty-eight thousand, three hundred thirty".