2125125453 has 16 divisors (see below), whose sum is σ = 3091885056. Its totient is φ = 1287624240.

The previous prime is 2125125449. The next prime is 2125125469. The reversal of 2125125453 is 3545215212.

It is not a de Polignac number, because 2125125453 - 2² = 2125125449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2125125453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125125473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202350 + ... + 212592.

It is an arithmetic number, because the mean of its divisors is an integer number (193242816).

Almost surely, 2^2125125453 is an apocalyptic number.

It is an amenable number.

2125125453 is a deficient number, since it is larger than the sum of its proper divisors (966759603).

2125125453 is a wasteful number, since it uses less digits than its factorization.

2125125453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544.

The product of its digits is 12000, while the sum is 30.

The square root of 2125125453 is about 46099.0829952180. The cubic root of 2125125453 is about 1285.6660948304. Note that the first 3 decimals are identical.

The spelling of 2125125453 in words is "two billion, one hundred twenty-five million, one hundred twenty-five thousand, four hundred fifty-three".