125005489 has 8 divisors (see below), whose sum is σ = 143612928. Its totient is φ = 106585440.

The previous prime is 125005481. The next prime is 125005493. The reversal of 125005489 is 984500521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125005489 - 2³ = 125005481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125005481) 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 in 7 ways as a sum of consecutive naturals, for example, 45412 + ... + 48085.

It is an arithmetic number, because the mean of its divisors is an integer number (17951616).

Almost surely, 2^125005489 is an apocalyptic number.

It is an amenable number.

125005489 is a deficient number, since it is larger than the sum of its proper divisors (18607439).

125005489 is an equidigital number, since it uses as much as digits as its factorization.

125005489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93695.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 125005489 is about 11180.5853603467. The cubic root of 125005489 is about 500.0073185595.

The spelling of 125005489 in words is "one hundred twenty-five million, five thousand, four hundred eighty-nine".