1260971723 has 4 divisors (see below), whose sum is σ = 1375605528. Its totient is φ = 1146337920.

The previous prime is 1260971713. The next prime is 1260971731. The reversal of 1260971723 is 3271790621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3271790621 = 11 ⋅297435511.

It is a cyclic number.

It is not a de Polignac number, because 1260971723 - 2²⁴ = 1244194507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260971713) 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, 57316886 + ... + 57316907.

It is an arithmetic number, because the mean of its divisors is an integer number (343901382).

Almost surely, 2^1260971723 is an apocalyptic number.

1260971723 is a deficient number, since it is larger than the sum of its proper divisors (114633805).

1260971723 is a wasteful number, since it uses less digits than its factorization.

1260971723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114633804.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1260971723 is about 35510.1636577473. The cubic root of 1260971723 is about 1080.3598832081.

The spelling of 1260971723 in words is "one billion, two hundred sixty million, nine hundred seventy-one thousand, seven hundred twenty-three".