1326997106 has 8 divisors (see below), whose sum is σ = 1991081820. Its totient is φ = 663303168.

The previous prime is 1326997099. The next prime is 1326997123. The reversal of 1326997106 is 6017996231.

It can be written as a sum of positive squares in 2 ways, for example, as 1322413225 + 4583881 = 36365^2 + 2141^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89051 + ... + 102878.

Almost surely, 2^1326997106 is an apocalyptic number.

1326997106 is a deficient number, since it is larger than the sum of its proper divisors (664084714).

1326997106 is a wasteful number, since it uses less digits than its factorization.

1326997106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195388.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1326997106 is about 36427.9714779728. The cubic root of 1326997106 is about 1098.8961670715.

The spelling of 1326997106 in words is "one billion, three hundred twenty-six million, nine hundred ninety-seven thousand, one hundred six".