2125671047 has 2 divisors, whose sum is σ = 2125671048. Its totient is φ = 2125671046.

The previous prime is 2125670977. The next prime is 2125671061. The reversal of 2125671047 is 7401765212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125671047 - 2¹⁸ = 2125408903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125670998 and 2125671016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125691047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062835523 + 1062835524.

It is an arithmetic number, because the mean of its divisors is an integer number (1062835524).

Almost surely, 2^2125671047 is an apocalyptic number.

2125671047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125671047 is an equidigital number, since it uses as much as digits as its factorization.

2125671047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2125671047 is about 46105.0002385858. Note that the first 3 decimals coincide. The cubic root of 2125671047 is about 1285.7761105608.

The spelling of 2125671047 in words is "two billion, one hundred twenty-five million, six hundred seventy-one thousand, forty-seven".