3123742 has 8 divisors (see below), whose sum is σ = 4696632. Its totient is φ = 1558200.

The previous prime is 3123727. The next prime is 3123751. The reversal of 3123742 is 2473213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (587079).

Almost surely, 2^3123742 is an apocalyptic number.

3123742 is a deficient number, since it is larger than the sum of its proper divisors (1572890).

3123742 is a wasteful number, since it uses less digits than its factorization.

3123742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674.

The product of its digits is 1008, while the sum is 22.

The square root of 3123742 is about 1767.4111010175. The cubic root of 3123742 is about 146.1812660679.

Adding to 3123742 its reverse (2473213), we get a palindrome (5596955).

The spelling of 3123742 in words is "three million, one hundred twenty-three thousand, seven hundred forty-two".