1347122643 has 8 divisors (see below), whose sum is σ = 1807604688. Its totient is φ = 892361184.

The previous prime is 1347122641. The next prime is 1347122681. The reversal of 1347122643 is 3462217431.

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

It is not a de Polignac number, because 1347122643 - 2¹ = 1347122641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1347122641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429596 + ... + 1430537.

It is an arithmetic number, because the mean of its divisors is an integer number (225950586).

Almost surely, 2^1347122643 is an apocalyptic number.

1347122643 is a deficient number, since it is larger than the sum of its proper divisors (460482045).

1347122643 is a wasteful number, since it uses less digits than its factorization.

1347122643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860293.

The product of its digits is 24192, while the sum is 33.

The square root of 1347122643 is about 36703.1693863078. The cubic root of 1347122643 is about 1104.4236856065.

The spelling of 1347122643 in words is "one billion, three hundred forty-seven million, one hundred twenty-two thousand, six hundred forty-three".