1260522457243 has 12 divisors (see below), whose sum is σ = 1467000703992. Its totient is φ = 1079947753920.

The previous prime is 1260522457223. The next prime is 1260522457261. The reversal of 1260522457243 is 3427542250621.

It is a happy number.

It is not a de Polignac number, because 1260522457243 - 2¹³ = 1260522449051 is a prime.

It is a super-2 number, since 2×1260522457243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1260522457243.

It is not an unprimeable number, because it can be changed into a prime (1260522457223) 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 11 ways as a sum of consecutive naturals, for example, 5846205 + ... + 6057982.

It is an arithmetic number, because the mean of its divisors is an integer number (122250058666).

Almost surely, 2^{1260522457243} is an apocalyptic number.

1260522457243 is a deficient number, since it is larger than the sum of its proper divisors (206478246749).

1260522457243 is a wasteful number, since it uses less digits than its factorization.

1260522457243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906362 (or 11906355 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 1260522457243 in words is "one trillion, two hundred sixty billion, five hundred twenty-two million, four hundred fifty-seven thousand, two hundred forty-three".