128597260 has 48 divisors (see below), whose sum is σ = 295384320. Its totient is φ = 46639040.

The previous prime is 128597243. The next prime is 128597267. The reversal of 128597260 is 62795821.

It is not an unprimeable number, because it can be changed into a prime (128597267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144537 + ... + 145423.

It is an arithmetic number, because the mean of its divisors is an integer number (6153840).

Almost surely, 2^128597260 is an apocalyptic number.

128597260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128597260 is an abundant number, since it is smaller than the sum of its proper divisors (166787060).

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

128597260 is a wasteful number, since it uses less digits than its factorization.

128597260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 128597260 is about 11340.0731920037. The cubic root of 128597260 is about 504.7510585604.

The spelling of 128597260 in words is "one hundred twenty-eight million, five hundred ninety-seven thousand, two hundred sixty".