125384839 has 2 divisors, whose sum is σ = 125384840. Its totient is φ = 125384838.

The previous prime is 125384821. The next prime is 125384869. The reversal of 125384839 is 938483521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125384839 - 2⁵ = 125384807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125384795 and 125384804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125384869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62692419 + 62692420.

It is an arithmetic number, because the mean of its divisors is an integer number (62692420).

Almost surely, 2^125384839 is an apocalyptic number.

125384839 is a deficient number, since it is larger than the sum of its proper divisors (1).

125384839 is an equidigital number, since it uses as much as digits as its factorization.

125384839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 125384839 is about 11197.5371845777. The cubic root of 125384839 is about 500.5125929840.

The spelling of 125384839 in words is "one hundred twenty-five million, three hundred eighty-four thousand, eight hundred thirty-nine".