4125106861 has 2 divisors, whose sum is σ = 4125106862. Its totient is φ = 4125106860.

The previous prime is 4125106847. The next prime is 4125106877. The reversal of 4125106861 is 1686015214.

4125106861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4044196836 + 80910025 = 63594^2 + 8995^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125106861 - 2²⁹ = 3588235949 is a prime.

It is a super-2 number, since 2×4125106861² = 34033013229338546642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125106561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062553430 + 2062553431.

It is an arithmetic number, because the mean of its divisors is an integer number (2062553431).

Almost surely, 2^4125106861 is an apocalyptic number.

It is an amenable number.

4125106861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125106861 is an equidigital number, since it uses as much as digits as its factorization.

4125106861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4125106861 is about 64226.9947996946. The cubic root of 4125106861 is about 1603.7810137804.

The spelling of 4125106861 in words is "four billion, one hundred twenty-five million, one hundred six thousand, eight hundred sixty-one".