125444147 has 2 divisors, whose sum is σ = 125444148. Its totient is φ = 125444146.

The previous prime is 125444131. The next prime is 125444161. The reversal of 125444147 is 741444521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125444147 - 2⁴ = 125444131 is a prime.

It is not a weakly prime, because it can be changed into another prime (125444447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62722073 + 62722074.

It is an arithmetic number, because the mean of its divisors is an integer number (62722074).

Almost surely, 2^125444147 is an apocalyptic number.

125444147 is a deficient number, since it is larger than the sum of its proper divisors (1).

125444147 is an equidigital number, since it uses as much as digits as its factorization.

125444147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 32.

The square root of 125444147 is about 11200.1851323985. The cubic root of 125444147 is about 500.5914959891.

Adding to 125444147 its reverse (741444521), we get a palindrome (866888668).

The spelling of 125444147 in words is "one hundred twenty-five million, four hundred forty-four thousand, one hundred forty-seven".