1347742127 has 4 divisors (see below), whose sum is σ = 1348538016. Its totient is φ = 1346946240.

The previous prime is 1347742111. The next prime is 1347742129. The reversal of 1347742127 is 7212477431.

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

It is a cyclic number.

It is not a de Polignac number, because 1347742127 - 2⁴ = 1347742111 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 (1347742129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395399 + ... + 398792.

It is an arithmetic number, because the mean of its divisors is an integer number (337134504).

Almost surely, 2^1347742127 is an apocalyptic number.

1347742127 is a deficient number, since it is larger than the sum of its proper divisors (795889).

1347742127 is an equidigital number, since it uses as much as digits as its factorization.

1347742127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795888.

The product of its digits is 65856, while the sum is 38.

The square root of 1347742127 is about 36711.6075240516. The cubic root of 1347742127 is about 1104.5929520448.

The spelling of 1347742127 in words is "one billion, three hundred forty-seven million, seven hundred forty-two thousand, one hundred twenty-seven".