3127142 has 4 divisors (see below), whose sum is σ = 4690716. Its totient is φ = 1563570.

The previous prime is 3127141. The next prime is 3127147. The reversal of 3127142 is 2417213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2417213 = 17 ⋅142189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3127141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781784 + ... + 781787.

It is an arithmetic number, because the mean of its divisors is an integer number (1172679).

Almost surely, 2^3127142 is an apocalyptic number.

3127142 is a deficient number, since it is larger than the sum of its proper divisors (1563574).

3127142 is a wasteful number, since it uses less digits than its factorization.

3127142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563573.

The product of its digits is 336, while the sum is 20.

The square root of 3127142 is about 1768.3726982738. The cubic root of 3127142 is about 146.2342832600.

It can be divided in two parts, 31271 and 42, that added together give a palindrome (31313).

The spelling of 3127142 in words is "three million, one hundred twenty-seven thousand, one hundred forty-two".