3121230 has 64 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 701184.

The previous prime is 3121229. The next prime is 3121249. The reversal of 3121230 is 321213.

It is a happy number.

3121230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18607 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^3121230 is an apocalyptic number.

3121230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3121230 is an abundant number, since it is smaller than the sum of its proper divisors (5587890).

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

3121230 is a wasteful number, since it uses less digits than its factorization.

3121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3121230 is about 1766.7003141450. The cubic root of 3121230 is about 146.1420710025.

Adding to 3121230 its reverse (321213), we get a palindrome (3442443).

The spelling of 3121230 in words is "three million, one hundred twenty-one thousand, two hundred thirty".