2125700 has 36 divisors (see below), whose sum is σ = 4778340. Its totient is φ = 819840.

The previous prime is 2125699. The next prime is 2125703. The reversal of 2125700 is 75212.

It can be written as a sum of positive squares in 6 ways, for example, as 75076 + 2050624 = 274^2 + 1432^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2534 + ... + 3266.

2^2125700 is an apocalyptic number.

2125700 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 2125700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389170).

2125700 is an abundant number, since it is smaller than the sum of its proper divisors (2652640).

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

2125700 is a wasteful number, since it uses less digits than its factorization.

2125700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2125700 is about 1457.9780519610. The cubic root of 2125700 is about 128.5781948232.

The spelling of 2125700 in words is "two million, one hundred twenty-five thousand, seven hundred".