2120126370 has 32 divisors (see below), whose sum is σ = 5171722560. Its totient is φ = 556098240.

The previous prime is 2120126341. The next prime is 2120126413. The reversal of 2120126370 is 736210212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120126370.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 577440 + ... + 581099.

It is an arithmetic number, because the mean of its divisors is an integer number (161616330).

Almost surely, 2^2120126370 is an apocalyptic number.

2120126370 is an abundant number, since it is smaller than the sum of its proper divisors (3051596190).

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

2120126370 is a wasteful number, since it uses less digits than its factorization.

2120126370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158610.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2120126370 is about 46044.8300029439. The cubic root of 2120126370 is about 1284.6571821900.

Adding to 2120126370 its reverse (736210212), we get a palindrome (2856336582).

The spelling of 2120126370 in words is "two billion, one hundred twenty million, one hundred twenty-six thousand, three hundred seventy".