1326997107 has 48 divisors (see below), whose sum is σ = 2116163200. Its totient is φ = 819570960.

The previous prime is 1326997099. The next prime is 1326997123. The reversal of 1326997107 is 7017996231.

It is not a de Polignac number, because 1326997107 - 2³ = 1326997099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326997807) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1132632 + ... + 1133802.

Almost surely, 2^1326997107 is an apocalyptic number.

1326997107 is a deficient number, since it is larger than the sum of its proper divisors (789166093).

1326997107 is a wasteful number, since it uses less digits than its factorization.

1326997107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1326997107 is about 36427.9714916985. The cubic root of 1326997107 is about 1098.8961673475.

It can be divided in two parts, 1326997 and 107, that added together give a square (1327104 = 1152²).

The spelling of 1326997107 in words is "one billion, three hundred twenty-six million, nine hundred ninety-seven thousand, one hundred seven".