1306473122 has 8 divisors (see below), whose sum is σ = 1959867372. Its totient is φ = 653184000.

The previous prime is 1306473067. The next prime is 1306473139. The reversal of 1306473122 is 2213746031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1044000721 + 262472401 = 32311^2 + 16201^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24122 + ... + 56522.

Almost surely, 2^1306473122 is an apocalyptic number.

1306473122 is a deficient number, since it is larger than the sum of its proper divisors (653394250).

1306473122 is a wasteful number, since it uses less digits than its factorization.

1306473122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52564.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1306473122 is about 36145.1673394937. The cubic root of 1306473122 is about 1093.2013512068.

The spelling of 1306473122 in words is "one billion, three hundred six million, four hundred seventy-three thousand, one hundred twenty-two".