128635060 has 24 divisors (see below), whose sum is σ = 273391776. Its totient is φ = 50833440.

The previous prime is 128635049. The next prime is 128635061. The reversal of 128635060 is 60536821.

It is a super-2 number, since 2×128635060² = 33093957322407200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128635061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37086 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (11391324).

Almost surely, 2^128635060 is an apocalyptic number.

128635060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128635060 is an abundant number, since it is smaller than the sum of its proper divisors (144756716).

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

128635060 is a wasteful number, since it uses less digits than its factorization.

128635060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77583 (or 77581 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 128635060 is about 11341.7397254566. The cubic root of 128635060 is about 504.8005093830.

The spelling of 128635060 in words is "one hundred twenty-eight million, six hundred thirty-five thousand, sixty".