3120450 has 48 divisors (see below), whose sum is σ = 7874496. Its totient is φ = 817600.

The previous prime is 3120443. The next prime is 3120457. The reversal of 3120450 is 540213.

It is an interprime number because it is at equal distance from previous prime (3120443) and next prime (3120457).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3120457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10504 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

Almost surely, 2^3120450 is an apocalyptic number.

3120450 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 3120450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3937248).

3120450 is an abundant number, since it is smaller than the sum of its proper divisors (4754046).

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

3120450 is a wasteful number, since it uses less digits than its factorization.

3120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3120450 is about 1766.4795498392. The cubic root of 3120450 is about 146.1298962816.

Adding to 3120450 its reverse (540213), we get a palindrome (3660663).

It can be divided in two parts, 3120 and 450, that added together give a triangular number (3570 = T₈₄).

The spelling of 3120450 in words is "three million, one hundred twenty thousand, four hundred fifty".