1296119447 has 16 divisors (see below), whose sum is σ = 1560249600. Its totient is φ = 1051807680.

The previous prime is 1296119443. The next prime is 1296119477. The reversal of 1296119447 is 7449116921.

It is not a de Polignac number, because 1296119447 - 2² = 1296119443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1296119398 and 1296119407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296119443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361172 + ... + 364742.

It is an arithmetic number, because the mean of its divisors is an integer number (97515600).

Almost surely, 2^1296119447 is an apocalyptic number.

1296119447 is a deficient number, since it is larger than the sum of its proper divisors (264130153).

1296119447 is a wasteful number, since it uses less digits than its factorization.

1296119447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326.

The product of its digits is 108864, while the sum is 44.

The square root of 1296119447 is about 36001.6589478874. The cubic root of 1296119447 is about 1090.3058499795.

The spelling of 1296119447 in words is "one billion, two hundred ninety-six million, one hundred nineteen thousand, four hundred forty-seven".