2124123201 has 6 divisors (see below), whose sum is σ = 3068177970. Its totient is φ = 1416082128.

The previous prime is 2124123187. The next prime is 2124123229. The reversal of 2124123201 is 1023214212.

It is a happy number.

2124123201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2048015025 + 76108176 = 45255^2 + 8724^2 .

It is not a de Polignac number, because 2124123201 - 2⁶ = 2124123137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2124123271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118006836 + ... + 118006853.

It is an arithmetic number, because the mean of its divisors is an integer number (511362995).

Almost surely, 2^2124123201 is an apocalyptic number.

It is an amenable number.

2124123201 is a deficient number, since it is larger than the sum of its proper divisors (944054769).

2124123201 is a wasteful number, since it uses less digits than its factorization.

2124123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236013695 (or 236013692 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2124123201 is about 46088.2110848317. The cubic root of 2124123201 is about 1285.4639476997.

Adding to 2124123201 its reverse (1023214212), we get a palindrome (3147337413).

The spelling of 2124123201 in words is "two billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred one".