128627485 has 16 divisors (see below), whose sum is σ = 180158976. Its totient is φ = 86323968.

The previous prime is 128627393. The next prime is 128627497. The reversal of 128627485 is 584726821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128627485 - 2⁷ = 128627357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37452 + ... + 40741.

It is an arithmetic number, because the mean of its divisors is an integer number (11259936).

Almost surely, 2^128627485 is an apocalyptic number.

It is an amenable number.

128627485 is a deficient number, since it is larger than the sum of its proper divisors (51531491).

128627485 is an equidigital number, since it uses as much as digits as its factorization.

128627485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78252.

The product of its digits is 215040, while the sum is 43.

The square root of 128627485 is about 11341.4057770631. The cubic root of 128627485 is about 504.7906003714.

The spelling of 128627485 in words is "one hundred twenty-eight million, six hundred twenty-seven thousand, four hundred eighty-five".