1297351470 has 16 divisors (see below), whose sum is σ = 3113643600. Its totient is φ = 345960384.

The previous prime is 1297351469. The next prime is 1297351499. The reversal of 1297351470 is 741537921.

It is a super-2 number, since 2×1297351470² = 3366241673422321800, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21622495 + ... + 21622554.

It is an arithmetic number, because the mean of its divisors is an integer number (194602725).

Almost surely, 2^1297351470 is an apocalyptic number.

1297351470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297351470 is an abundant number, since it is smaller than the sum of its proper divisors (1816292130).

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

1297351470 is a wasteful number, since it uses less digits than its factorization.

1297351470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245059.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1297351470 is about 36018.7655257645. The cubic root of 1297351470 is about 1090.6512030497.

The spelling of 1297351470 in words is "one billion, two hundred ninety-seven million, three hundred fifty-one thousand, four hundred seventy".