2122130953 has 4 divisors (see below), whose sum is σ = 2124304020. Its totient is φ = 2119957888.

The previous prime is 2122130909. The next prime is 2122130993. The reversal of 2122130953 is 3590312212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092170304 + 1029960649 = 33048^2 + 32093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122130953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122130993) 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 3 ways as a sum of consecutive naturals, for example, 1085068 + ... + 1087021.

It is an arithmetic number, because the mean of its divisors is an integer number (531076005).

Almost surely, 2^2122130953 is an apocalyptic number.

It is an amenable number.

2122130953 is a deficient number, since it is larger than the sum of its proper divisors (2173067).

2122130953 is an equidigital number, since it uses as much as digits as its factorization.

2122130953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173066.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2122130953 is about 46066.5925915951. The cubic root of 2122130953 is about 1285.0619364838.

The spelling of 2122130953 in words is "two billion, one hundred twenty-two million, one hundred thirty thousand, nine hundred fifty-three".