1326253107 has 4 divisors (see below), whose sum is σ = 1768337480. Its totient is φ = 884168736.

The previous prime is 1326253069. The next prime is 1326253109. The reversal of 1326253107 is 7013526231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1326253107 - 2⁶ = 1326253043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326253109) by changing a digit.

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, 221042182 + ... + 221042187.

It is an arithmetic number, because the mean of its divisors is an integer number (442084370).

Almost surely, 2^1326253107 is an apocalyptic number.

1326253107 is a deficient number, since it is larger than the sum of its proper divisors (442084373).

1326253107 is an equidigital number, since it uses as much as digits as its factorization.

1326253107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442084372.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1326253107 is about 36417.7581270457. The cubic root of 1326253107 is about 1098.6907583109.

Adding to 1326253107 its reverse (7013526231), we get a palindrome (8339779338).

The spelling of 1326253107 in words is "one billion, three hundred twenty-six million, two hundred fifty-three thousand, one hundred seven".