1295982543 has 8 divisors (see below), whose sum is σ = 1729406128. Its totient is φ = 863273664.

The previous prime is 1295982521. The next prime is 1295982601. The reversal of 1295982543 is 3452895921.

It is a happy number.

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

It is not a de Polignac number, because 1295982543 - 2⁵ = 1295982511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1295982492 and 1295982501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295982143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174430 + ... + 181707.

It is an arithmetic number, because the mean of its divisors is an integer number (216175766).

Almost surely, 2^1295982543 is an apocalyptic number.

1295982543 is a deficient number, since it is larger than the sum of its proper divisors (433423585).

1295982543 is a wasteful number, since it uses less digits than its factorization.

1295982543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357353.

The product of its digits is 777600, while the sum is 48.

The square root of 1295982543 is about 35999.7575408502. The cubic root of 1295982543 is about 1090.2674603881.

The spelling of 1295982543 in words is "one billion, two hundred ninety-five million, nine hundred eighty-two thousand, five hundred forty-three".