2125922 has 6 divisors (see below), whose sum is σ = 3191979. Its totient is φ = 1061930.

The previous prime is 2125919. The next prime is 2125927. The reversal of 2125922 is 2295212.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 1062961 = 1031^2 + 1031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1031.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2125927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1547 + ... + 2577.

2^2125922 is an apocalyptic number.

2125922 is a deficient number, since it is larger than the sum of its proper divisors (1066057).

2125922 is an frugal number, since it uses more digits than its factorization.

2125922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 1033 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2125922 is about 1458.0541828067. The cubic root of 2125922 is about 128.5826707395.

The spelling of 2125922 in words is "two million, one hundred twenty-five thousand, nine hundred twenty-two".