4121312 has 24 divisors (see below), whose sum is σ = 8738856. Its totient is φ = 1901952.

The previous prime is 4121311. The next prime is 4121321. The reversal of 4121312 is 2131214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121311) 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, 4538 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (364119).

Almost surely, 2^4121312 is an apocalyptic number.

It is an amenable number.

4121312 is an abundant number, since it is smaller than the sum of its proper divisors (4617544).

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

4121312 is a wasteful number, since it uses less digits than its factorization.

4121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930 (or 9922 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 4121312 is about 2030.1014752962. The cubic root of 4121312 is about 160.3289067472.

Adding to 4121312 its reverse (2131214), we get a palindrome (6252526).

The spelling of 4121312 in words is "four million, one hundred twenty-one thousand, three hundred twelve".