1316542127 has 4 divisors (see below), whose sum is σ = 1318577616. Its totient is φ = 1314506640.

The previous prime is 1316542121. The next prime is 1316542133. The reversal of 1316542127 is 7212456131.

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

It is an interprime number because it is at equal distance from previous prime (1316542121) and next prime (1316542133).

It is a cyclic number.

It is not a de Polignac number, because 1316542127 - 2⁴ = 1316542111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316542093 and 1316542102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316542121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016774 + ... + 1018067.

It is an arithmetic number, because the mean of its divisors is an integer number (329644404).

Almost surely, 2^1316542127 is an apocalyptic number.

1316542127 is a deficient number, since it is larger than the sum of its proper divisors (2035489).

1316542127 is an equidigital number, since it uses as much as digits as its factorization.

1316542127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035488.

The product of its digits is 10080, while the sum is 32.

The square root of 1316542127 is about 36284.1856323109. The cubic root of 1316542127 is about 1096.0026059642.

Adding to 1316542127 its reverse (7212456131), we get a palindrome (8528998258).

The spelling of 1316542127 in words is "one billion, three hundred sixteen million, five hundred forty-two thousand, one hundred twenty-seven".