1297345746 has 8 divisors (see below), whose sum is σ = 2594691504. Its totient is φ = 432448580.

The previous prime is 1297345717. The next prime is 1297345757. The reversal of 1297345746 is 6475437921.

It is a sphenic number, since it is the product of 3 distinct primes.

1297345746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1297345695 and 1297345704.

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 3 ways as a sum of consecutive naturals, for example, 108112140 + ... + 108112151.

It is an arithmetic number, because the mean of its divisors is an integer number (324336438).

Almost surely, 2^1297345746 is an apocalyptic number.

1297345746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1297345746 is a wasteful number, since it uses less digits than its factorization.

1297345746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216224296.

The product of its digits is 1270080, while the sum is 48.

The square root of 1297345746 is about 36018.6860670958. The cubic root of 1297345746 is about 1090.6495990390.

The spelling of 1297345746 in words is "one billion, two hundred ninety-seven million, three hundred forty-five thousand, seven hundred forty-six".