2125340 has 96 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 635904.

The previous prime is 2125339. The next prime is 2125373. The reversal of 2125340 is 435212.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45197 + ... + 45243.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^2125340 is an apocalyptic number.

2125340 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 2125340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

2125340 is an abundant number, since it is smaller than the sum of its proper divisors (3680740).

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

2125340 is a wasteful number, since it uses less digits than its factorization.

2125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2125340 is about 1457.8545880848. The cubic root of 2125340 is about 128.5709359182.

It can be divided in two parts, 2125 and 340, that multiplied together give a square (722500 = 850²).

The spelling of 2125340 in words is "two million, one hundred twenty-five thousand, three hundred forty".