2125422177 has 4 divisors (see below), whose sum is σ = 2833896240. Its totient is φ = 1416948116.

The previous prime is 2125422149. The next prime is 2125422181. The reversal of 2125422177 is 7712245212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2125422177 - 2⁷ = 2125422049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125422577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354237027 + ... + 354237032.

It is an arithmetic number, because the mean of its divisors is an integer number (708474060).

Almost surely, 2^2125422177 is an apocalyptic number.

It is an amenable number.

2125422177 is a deficient number, since it is larger than the sum of its proper divisors (708474063).

2125422177 is an equidigital number, since it uses as much as digits as its factorization.

2125422177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708474062.

The product of its digits is 15680, while the sum is 33.

The square root of 2125422177 is about 46102.3012115447. The cubic root of 2125422177 is about 1285.7259297658.

Adding to 2125422177 its reverse (7712245212), we get a palindrome (9837667389).

The spelling of 2125422177 in words is "two billion, one hundred twenty-five million, four hundred twenty-two thousand, one hundred seventy-seven".