2124123271 has 2 divisors, whose sum is σ = 2124123272. Its totient is φ = 2124123270.

The previous prime is 2124123229. The next prime is 2124123277. The reversal of 2124123271 is 1723214212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2124123271 - 2²¹ = 2122026119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124123277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062061635 + 1062061636.

It is an arithmetic number, because the mean of its divisors is an integer number (1062061636).

Almost surely, 2^2124123271 is an apocalyptic number.

2124123271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124123271 is an equidigital number, since it uses as much as digits as its factorization.

2124123271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 2124123271 is about 46088.2118442449. The cubic root of 2124123271 is about 1285.4639618204.

Adding to 2124123271 its reverse (1723214212), we get a palindrome (3847337483).

The spelling of 2124123271 in words is "two billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred seventy-one".