1306506122 has 8 divisors (see below), whose sum is σ = 2044966176. Its totient is φ = 624850732.

The previous prime is 1306506121. The next prime is 1306506137. The reversal of 1306506122 is 2216056031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1306506091 and 1306506100.

It is not an unprimeable number, because it can be changed into a prime (1306506121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14201108 + ... + 14201199.

It is an arithmetic number, because the mean of its divisors is an integer number (255620772).

Almost surely, 2^1306506122 is an apocalyptic number.

1306506122 is a deficient number, since it is larger than the sum of its proper divisors (738460054).

1306506122 is a wasteful number, since it uses less digits than its factorization.

1306506122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28402332.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1306506122 is about 36145.6238291719. The cubic root of 1306506122 is about 1093.2105554632.

The spelling of 1306506122 in words is "one billion, three hundred six million, five hundred six thousand, one hundred twenty-two".