3123142 has 8 divisors (see below), whose sum is σ = 5110632. Its totient is φ = 1419600.

The previous prime is 3123137. The next prime is 3123143. The reversal of 3123142 is 2413213.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123143) 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, 70959 + ... + 71002.

It is an arithmetic number, because the mean of its divisors is an integer number (638829).

Almost surely, 2^3123142 is an apocalyptic number.

3123142 is a deficient number, since it is larger than the sum of its proper divisors (1987490).

3123142 is a wasteful number, since it uses less digits than its factorization.

3123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141974.

The product of its digits is 144, while the sum is 16.

The square root of 3123142 is about 1767.2413530698. The cubic root of 3123142 is about 146.1719060998.

Adding to 3123142 its reverse (2413213), we get a palindrome (5536355).

The spelling of 3123142 in words is "three million, one hundred twenty-three thousand, one hundred forty-two".