2125405112 has 8 divisors (see below), whose sum is σ = 3985134600. Its totient is φ = 1062702552.

The previous prime is 2125405081. The next prime is 2125405141. The reversal of 2125405112 is 2115045212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132837812 + ... + 132837827.

It is an arithmetic number, because the mean of its divisors is an integer number (498141825).

Almost surely, 2^2125405112 is an apocalyptic number.

It is an amenable number.

2125405112 is a deficient number, since it is larger than the sum of its proper divisors (1859729488).

2125405112 is a wasteful number, since it uses less digits than its factorization.

2125405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265675645 (or 265675641 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2125405112 is about 46102.1161336440. The cubic root of 2125405112 is about 1285.7224887284.

The spelling of 2125405112 in words is "two billion, one hundred twenty-five million, four hundred five thousand, one hundred twelve".