7890125147 has 2 divisors, whose sum is σ = 7890125148. Its totient is φ = 7890125146.

The previous prime is 7890125129. The next prime is 7890125197. The reversal of 7890125147 is 7415210987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7890125147 - 2²⁴ = 7873347931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7890125098 and 7890125107.

It is not a weakly prime, because it can be changed into another prime (7890125107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3945062573 + 3945062574.

It is an arithmetic number, because the mean of its divisors is an integer number (3945062574).

Almost surely, 2^7890125147 is an apocalyptic number.

7890125147 is a deficient number, since it is larger than the sum of its proper divisors (1).

7890125147 is an equidigital number, since it uses as much as digits as its factorization.

7890125147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 7890125147 is about 88826.3764148915. The cubic root of 7890125147 is about 1990.8015211015.

The spelling of 7890125147 in words is "seven billion, eight hundred ninety million, one hundred twenty-five thousand, one hundred forty-seven".