128622360 has 128 divisors (see below), whose sum is σ = 403833600. Its totient is φ = 32739840.

The previous prime is 128622359. The next prime is 128622413. The reversal of 128622360 is 63226821.

It is a super-2 number, since 2×128622360² = 33087422983939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261715 + ... + 262205.

It is an arithmetic number, because the mean of its divisors is an integer number (3154950).

Almost surely, 2^128622360 is an apocalyptic number.

128622360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128622360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201916800).

128622360 is an abundant number, since it is smaller than the sum of its proper divisors (275211240).

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

128622360 is a wasteful number, since it uses less digits than its factorization.

128622360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 128622360 is about 11341.1798328040. The cubic root of 128622360 is about 504.7838960340.

The spelling of 128622360 in words is "one hundred twenty-eight million, six hundred twenty-two thousand, three hundred sixty".