2520126100 has 72 divisors (see below), whose sum is σ = 5903372160. Its totient is φ = 930948480.

The previous prime is 2520126083. The next prime is 2520126101. The reversal of 2520126100 is 16210252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520126101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47809 + ... + 85591.

It is an arithmetic number, because the mean of its divisors is an integer number (81991280).

Almost surely, 2^2520126100 is an apocalyptic number.

2520126100 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 2520126100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951686080).

2520126100 is an abundant number, since it is smaller than the sum of its proper divisors (3383246060).

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

2520126100 is a wasteful number, since it uses less digits than its factorization.

2520126100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37849 (or 37842 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2520126100 is about 50200.8575623963. The cubic root of 2520126100 is about 1360.8411211194.

Adding to 2520126100 its reverse (16210252), we get a palindrome (2536336352).

The spelling of 2520126100 in words is "two billion, five hundred twenty million, one hundred twenty-six thousand, one hundred".