2125715147 has 2 divisors, whose sum is σ = 2125715148. Its totient is φ = 2125715146.

The previous prime is 2125715143. The next prime is 2125715213. The reversal of 2125715147 is 7415175212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125715147 - 2² = 2125715143 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125715143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062857573 + 1062857574.

It is an arithmetic number, because the mean of its divisors is an integer number (1062857574).

Almost surely, 2^2125715147 is an apocalyptic number.

2125715147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125715147 is an equidigital number, since it uses as much as digits as its factorization.

2125715147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 35.

The square root of 2125715147 is about 46105.4784922573. The cubic root of 2125715147 is about 1285.7850022368.

The spelling of 2125715147 in words is "two billion, one hundred twenty-five million, seven hundred fifteen thousand, one hundred forty-seven".