1297494330 has 32 divisors (see below), whose sum is σ = 3397076928. Its totient is φ = 314544000.

The previous prime is 1297494277. The next prime is 1297494343. The reversal of 1297494330 is 334947921.

1297494330 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965571 + ... + 1966230.

It is an arithmetic number, because the mean of its divisors is an integer number (106158654).

Almost surely, 2^1297494330 is an apocalyptic number.

1297494330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297494330 is an abundant number, since it is smaller than the sum of its proper divisors (2099582598).

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

1297494330 is a wasteful number, since it uses less digits than its factorization.

1297494330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931822.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 1297494330 is about 36020.7486041032. The cubic root of 1297494330 is about 1090.6912345332.

The spelling of 1297494330 in words is "one billion, two hundred ninety-seven million, four hundred ninety-four thousand, three hundred thirty".