3127 has 4 divisors (see below), whose sum is σ = 3240. Its totient is φ = 3016.

The previous prime is 3121. The next prime is 3137. The reversal of 3127 is 7213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3127 - 2³ = 3119 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24 + ... + 82.

It is an arithmetic number, because the mean of its divisors is an integer number (810).

3127 is a deficient number, since it is larger than the sum of its proper divisors (113).

3127 is an equidigital number, since it uses as much as digits as its factorization.

3127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112.

The product of its digits is 42, while the sum is 13.

The square root of 3127 is about 55.9195851201. The cubic root of 3127 is about 14.6232069782.

The spelling of 3127 in words is "three thousand, one hundred twenty-seven", and thus it is an iban number.