2125128527 has 2 divisors, whose sum is σ = 2125128528. Its totient is φ = 2125128526.

The previous prime is 2125128487. The next prime is 2125128541. The reversal of 2125128527 is 7258215212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125128527 - 2⁶ = 2125128463 is a prime.

It is a super-3 number, since 3×2125128527³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125128127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062564263 + 1062564264.

It is an arithmetic number, because the mean of its divisors is an integer number (1062564264).

Almost surely, 2^2125128527 is an apocalyptic number.

2125128527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125128527 is an equidigital number, since it uses as much as digits as its factorization.

2125128527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 35.

The square root of 2125128527 is about 46099.1163364332. The cubic root of 2125128527 is about 1285.6667147367. Note that the first 3 decimals are identical.

The spelling of 2125128527 in words is "two billion, one hundred twenty-five million, one hundred twenty-eight thousand, five hundred twenty-seven".