2125045452 has 12 divisors (see below), whose sum is σ = 4958439416. Its totient is φ = 708348480.

The previous prime is 2125045399. The next prime is 2125045459. The reversal of 2125045452 is 2545405212.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2125045459) 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 3 ways as a sum of consecutive naturals, for example, 88543549 + ... + 88543572.

Almost surely, 2^2125045452 is an apocalyptic number.

It is an amenable number.

2125045452 is an abundant number, since it is smaller than the sum of its proper divisors (2833393964).

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

2125045452 is a wasteful number, since it uses less digits than its factorization.

2125045452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177087128 (or 177087126 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2125045452 is about 46098.2152799867. The cubic root of 2125045452 is about 1285.6499615297.

The spelling of 2125045452 in words is "two billion, one hundred twenty-five million, forty-five thousand, four hundred fifty-two".