128450952 has 144 divisors (see below), whose sum is σ = 422547840. Its totient is φ = 35082432.

The previous prime is 128450921. The next prime is 128450983. The reversal of 128450952 is 259054821.

It is an interprime number because it is at equal distance from previous prime (128450921) and next prime (128450983).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80353 + ... + 81935.

It is an arithmetic number, because the mean of its divisors is an integer number (2934360).

Almost surely, 2^128450952 is an apocalyptic number.

128450952 is a gapful number since it is divisible by the number (12) 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 128450952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211273920).

128450952 is an abundant number, since it is smaller than the sum of its proper divisors (294096888).

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

128450952 is a wasteful number, since it uses less digits than its factorization.

128450952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 128450952 is about 11333.6204277362. The cubic root of 128450952 is about 504.5595637022.

The spelling of 128450952 in words is "one hundred twenty-eight million, four hundred fifty thousand, nine hundred fifty-two".