2149120 has 72 divisors (see below), whose sum is σ = 5445216. Its totient is φ = 811008.

The previous prime is 2149117. The next prime is 2149127. The reversal of 2149120 is 219412.

It is not an unprimeable number, because it can be changed into a prime (2149127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29404 + ... + 29476.

It is an arithmetic number, because the mean of its divisors is an integer number (75628).

2^2149120 is an apocalyptic number.

2149120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722608).

2149120 is an abundant number, since it is smaller than the sum of its proper divisors (3296096).

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

2149120 is an equidigital number, since it uses as much as digits as its factorization.

2149120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2149120 is about 1465.9877216403. The cubic root of 2149120 is about 129.0486766204.

It can be divided in two parts, 21 and 49120, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 2149120 in words is "two million, one hundred forty-nine thousand, one hundred twenty".