2125423194 has 16 divisors (see below), whose sum is σ = 4292935200. Its totient is φ = 701459600.

The previous prime is 2125423193. The next prime is 2125423207. The reversal of 2125423194 is 4913245212.

It is not an unprimeable number, because it can be changed into a prime (2125423193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753044 + ... + 1754255.

It is an arithmetic number, because the mean of its divisors is an integer number (268308450).

Almost surely, 2^2125423194 is an apocalyptic number.

2125423194 is an abundant number, since it is smaller than the sum of its proper divisors (2167512006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125423194 is a wasteful number, since it uses less digits than its factorization.

2125423194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507405.

The product of its digits is 17280, while the sum is 33.

The square root of 2125423194 is about 46102.3122413616. The cubic root of 2125423194 is about 1285.7261348361.

The spelling of 2125423194 in words is "two billion, one hundred twenty-five million, four hundred twenty-three thousand, one hundred ninety-four".