3112140 has 24 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 829888.

The previous prime is 3112129. The next prime is 3112141. The reversal of 3112140 is 412113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (3112141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25875 + ... + 25994.

It is an arithmetic number, because the mean of its divisors is an integer number (363090).

Almost surely, 2^3112140 is an apocalyptic number.

3112140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3112140 is an abundant number, since it is smaller than the sum of its proper divisors (5602020).

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

3112140 is a wasteful number, since it uses less digits than its factorization.

3112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51881 (or 51879 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3112140 is about 1764.1258458511. The cubic root of 3112140 is about 146.0000625508. Note that the first 4 decimals are identical.

Adding to 3112140 its reverse (412113), we get a palindrome (3524253).

The spelling of 3112140 in words is "three million, one hundred twelve thousand, one hundred forty".