1295567426 has 4 divisors (see below), whose sum is σ = 1943351142. Its totient is φ = 647783712.

The previous prime is 1295567419. The next prime is 1295567443. The reversal of 1295567426 is 6247655921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6247655921 = 13 ⋅480588917.

It can be written as a sum of positive squares in only one way, i.e., 1162741801 + 132825625 = 34099^2 + 11525^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323891855 + ... + 323891858.

Almost surely, 2^1295567426 is an apocalyptic number.

1295567426 is a deficient number, since it is larger than the sum of its proper divisors (647783716).

1295567426 is an equidigital number, since it uses as much as digits as its factorization.

1295567426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647783715.

The product of its digits is 907200, while the sum is 47.

The square root of 1295567426 is about 35993.9915263645. The cubic root of 1295567426 is about 1090.1510398670.

The spelling of 1295567426 in words is "one billion, two hundred ninety-five million, five hundred sixty-seven thousand, four hundred twenty-six".