2120555253 has 8 divisors (see below), whose sum is σ = 2834530528. Its totient is φ = 1410141744.

The previous prime is 2120555251. The next prime is 2120555263. The reversal of 2120555253 is 3525550212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120555253 - 2¹ = 2120555251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120555253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120555251) 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 7 ways as a sum of consecutive naturals, for example, 889051 + ... + 891432.

It is an arithmetic number, because the mean of its divisors is an integer number (354316316).

Almost surely, 2^2120555253 is an apocalyptic number.

It is an amenable number.

2120555253 is a deficient number, since it is larger than the sum of its proper divisors (713975275).

2120555253 is a wasteful number, since it uses less digits than its factorization.

2120555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780883.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2120555253 is about 46049.4870003999. The cubic root of 2120555253 is about 1284.7438013158.

The spelling of 2120555253 in words is "two billion, one hundred twenty million, five hundred fifty-five thousand, two hundred fifty-three".