2127125807 has 2 divisors, whose sum is σ = 2127125808. Its totient is φ = 2127125806.

The previous prime is 2127125701. The next prime is 2127125827. The reversal of 2127125807 is 7085217212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2127125807 - 2¹⁸ = 2126863663 is a prime.

It is a super-4 number, since 4×2127125807⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127125827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063562903 + 1063562904.

It is an arithmetic number, because the mean of its divisors is an integer number (1063562904).

Almost surely, 2^2127125807 is an apocalyptic number.

2127125807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127125807 is an equidigital number, since it uses as much as digits as its factorization.

2127125807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 2127125807 is about 46120.7741370415. The cubic root of 2127125807 is about 1286.0693621298.

The spelling of 2127125807 in words is "two billion, one hundred twenty-seven million, one hundred twenty-five thousand, eight hundred seven".