3120126 has 8 divisors (see below), whose sum is σ = 6240264. Its totient is φ = 1040040.

The previous prime is 3120107. The next prime is 3120127. The reversal of 3120126 is 6210213.

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

3120126 is an admirable number.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260005 + ... + 260016.

It is an arithmetic number, because the mean of its divisors is an integer number (780033).

Almost surely, 2^3120126 is an apocalyptic number.

3120126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120126 is a wasteful number, since it uses less digits than its factorization.

3120126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520026.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3120126 is about 1766.3878396321. The cubic root of 3120126 is about 146.1248384934.

Adding to 3120126 its reverse (6210213), we get a palindrome (9330339).

The spelling of 3120126 in words is "three million, one hundred twenty thousand, one hundred twenty-six".