2126103240 has 32 divisors (see below), whose sum is σ = 6378310080. Its totient is φ = 566960832.

The previous prime is 2126103193. The next prime is 2126103241. The reversal of 2126103240 is 423016212.

It is not an unprimeable number, because it can be changed into a prime (2126103241) 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 7 ways as a sum of consecutive naturals, for example, 8858644 + ... + 8858883.

It is an arithmetic number, because the mean of its divisors is an integer number (199322190).

Almost surely, 2^2126103240 is an apocalyptic number.

2126103240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126103240 is an abundant number, since it is smaller than the sum of its proper divisors (4252206840).

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

2126103240 is a wasteful number, since it uses less digits than its factorization.

2126103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717541 (or 17717537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2126103240 is about 46109.6870516381. The cubic root of 2126103240 is about 1285.8632463036.

Adding to 2126103240 its reverse (423016212), we get a palindrome (2549119452).

The spelling of 2126103240 in words is "two billion, one hundred twenty-six million, one hundred three thousand, two hundred forty".