1260891932723 has 4 divisors (see below), whose sum is σ = 1260898672440. Its totient is φ = 1260885193008.

The previous prime is 1260891932683. The next prime is 1260891932749. The reversal of 1260891932723 is 3272391980621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260891932723 - 2¹⁰ = 1260891931699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260891932753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080978 + ... + 3466151.

It is an arithmetic number, because the mean of its divisors is an integer number (315224668110).

Almost surely, 2^{1260891932723} is an apocalyptic number.

1260891932723 is a deficient number, since it is larger than the sum of its proper divisors (6739717).

1260891932723 is an equidigital number, since it uses as much as digits as its factorization.

1260891932723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739716.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 1260891932723 in words is "one trillion, two hundred sixty billion, eight hundred ninety-one million, nine hundred thirty-two thousand, seven hundred twenty-three".