2125403000 has 128 divisors (see below), whose sum is σ = 5714841600. Its totient is φ = 724752000.

The previous prime is 2125402969. The next prime is 2125403003. The reversal of 2125403000 is 3045212.

It is a self number, because there is not a number n which added to its sum of digits gives 2125403000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125403003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476281 + ... + 1477719.

It is an arithmetic number, because the mean of its divisors is an integer number (44647200).

Almost surely, 2^2125403000 is an apocalyptic number.

2125403000 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 2125403000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857420800).

2125403000 is an abundant number, since it is smaller than the sum of its proper divisors (3589438600).

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

2125403000 is a wasteful number, since it uses less digits than its factorization.

2125403000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1664 counting only the distinct ones).

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

The square root of 2125403000 is about 46102.0932279653. The cubic root of 2125403000 is about 1285.7220628571.

Adding to 2125403000 its reverse (3045212), we get a palindrome (2128448212).

The spelling of 2125403000 in words is "two billion, one hundred twenty-five million, four hundred three thousand".