1296857130691 has 8 divisors (see below), whose sum is σ = 1308361275504. Its totient is φ = 1285382522880.

The previous prime is 1296857130641. The next prime is 1296857130703. The reversal of 1296857130691 is 1960317586921.

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

It is a cyclic number.

It is not a de Polignac number, because 1296857130691 - 2²³ = 1296848742083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296857130641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7296045 + ... + 7471678.

It is an arithmetic number, because the mean of its divisors is an integer number (163545159438).

Almost surely, 2^{1296857130691} is an apocalyptic number.

1296857130691 is a deficient number, since it is larger than the sum of its proper divisors (11504144813).

1296857130691 is a wasteful number, since it uses less digits than its factorization.

1296857130691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768501.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 1296857130691 in words is "one trillion, two hundred ninety-six billion, eight hundred fifty-seven million, one hundred thirty thousand, six hundred ninety-one".