1296226402 has 8 divisors (see below), whose sum is σ = 1996889436. Its totient is φ = 630596592.

The previous prime is 1296226397. The next prime is 1296226411. The reversal of 1296226402 is 2046226921.

It can be written as a sum of positive squares in 2 ways, for example, as 1136431521 + 159794881 = 33711^2 + 12641^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 8758213 + ... + 8758360.

Almost surely, 2^1296226402 is an apocalyptic number.

1296226402 is a deficient number, since it is larger than the sum of its proper divisors (700663034).

1296226402 is a wasteful number, since it uses less digits than its factorization.

1296226402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516612.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1296226402 is about 36003.1443349050. The cubic root of 1296226402 is about 1090.3358396163.

The spelling of 1296226402 in words is "one billion, two hundred ninety-six million, two hundred twenty-six thousand, four hundred two".