3122900 has 72 divisors (see below), whose sum is σ = 7874496. Its totient is φ = 1062400.

The previous prime is 3122893. The next prime is 3122927. The reversal of 3122900 is 92213.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18617 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

Almost surely, 2^3122900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3937248).

3122900 is an abundant number, since it is smaller than the sum of its proper divisors (4751596).

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

3122900 is a wasteful number, since it uses less digits than its factorization.

3122900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3122900 is about 1767.1728834497. The cubic root of 3122900 is about 146.1681305735.

The spelling of 3122900 in words is "three million, one hundred twenty-two thousand, nine hundred".