128207480 has 32 divisors (see below), whose sum is σ = 289405440. Its totient is φ = 51116160.

The previous prime is 128207447. The next prime is 128207509. The reversal of 128207480 is 84702821.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7625 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (9043920).

Almost surely, 2^128207480 is an apocalyptic number.

128207480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128207480 is an abundant number, since it is smaller than the sum of its proper divisors (161197960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128207480 is a wasteful number, since it uses less digits than its factorization.

128207480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10439 (or 10435 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 128207480 is about 11322.8741934193. The cubic root of 128207480 is about 504.2405733999.

The spelling of 128207480 in words is "one hundred twenty-eight million, two hundred seven thousand, four hundred eighty".