2120850 has 48 divisors (see below), whose sum is σ = 5847840. Its totient is φ = 565200.

The previous prime is 2120849. The next prime is 2120851. The reversal of 2120850 is 580212.

It is an interprime number because it is at equal distance from previous prime (2120849) and next prime (2120851).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2120851) 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, 565 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (121830).

2^2120850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923920).

2120850 is an abundant number, since it is smaller than the sum of its proper divisors (3726990).

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

2120850 is a wasteful number, since it uses less digits than its factorization.

2120850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2120850 is about 1456.3138398024. The cubic root of 2120850 is about 128.4803322965.

The spelling of 2120850 in words is "two million, one hundred twenty thousand, eight hundred fifty".