2125031502 has 128 divisors (see below), whose sum is σ = 5021678592. Its totient is φ = 593049600.

The previous prime is 2125031483. The next prime is 2125031509. The reversal of 2125031502 is 2051305212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125031509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4907478 + ... + 4907910.

It is an arithmetic number, because the mean of its divisors is an integer number (39231864).

Almost surely, 2^2125031502 is an apocalyptic number.

2125031502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125031502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510839296).

2125031502 is an abundant number, since it is smaller than the sum of its proper divisors (2896647090).

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

2125031502 is a wasteful number, since it uses less digits than its factorization.

2125031502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2125031502 is about 46098.0639723622. The cubic root of 2125031502 is about 1285.6471482791.

Adding to 2125031502 its reverse (2051305212), we get a palindrome (4176336714).

The spelling of 2125031502 in words is "two billion, one hundred twenty-five million, thirty-one thousand, five hundred two".