1260960945943 has 16 divisors (see below), whose sum is σ = 1304726020416. Its totient is φ = 1217823989760.

The previous prime is 1260960945931. The next prime is 1260960945967. The reversal of 1260960945943 is 3495490690621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1260960945943 - 2¹³ = 1260960937751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260960945973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12012855 + ... + 12117367.

It is an arithmetic number, because the mean of its divisors is an integer number (81545376276).

Almost surely, 2^{1260960945943} is an apocalyptic number.

1260960945943 is a deficient number, since it is larger than the sum of its proper divisors (43765074473).

1260960945943 is a wasteful number, since it uses less digits than its factorization.

1260960945943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107514.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 1260960945943 in words is "one trillion, two hundred sixty billion, nine hundred sixty million, nine hundred forty-five thousand, nine hundred forty-three".