1326117143 has 6 divisors (see below), whose sum is σ = 1435973184. Its totient is φ = 1224107976.

The previous prime is 1326117127. The next prime is 1326117151. The reversal of 1326117143 is 3417116231.

It is not a de Polignac number, because 1326117143 - 2⁴ = 1326117127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326117743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3923255 + ... + 3923592.

It is an arithmetic number, because the mean of its divisors is an integer number (239328864).

Almost surely, 2^1326117143 is an apocalyptic number.

1326117143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1326117143 is a deficient number, since it is larger than the sum of its proper divisors (109856041).

1326117143 is an equidigital number, since it uses as much as digits as its factorization.

1326117143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846873 (or 7846860 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 1326117143 is about 36415.8913525400. The cubic root of 1326117143 is about 1098.6532120601.

The spelling of 1326117143 in words is "one billion, three hundred twenty-six million, one hundred seventeen thousand, one hundred forty-three".