128490152 has 48 divisors (see below), whose sum is σ = 281271060. Its totient is φ = 54867456.

The previous prime is 128490143. The next prime is 128490203. The reversal of 128490152 is 251094821.

It can be written as a sum of positive squares in 2 ways, for example, as 125126596 + 3363556 = 11186^2 + 1834^2 .

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 11 ways as a sum of consecutive naturals, for example, 169358 + ... + 170114.

Almost surely, 2^128490152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128490152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140635530).

128490152 is an abundant number, since it is smaller than the sum of its proper divisors (152780908).

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

128490152 is a wasteful number, since it uses less digits than its factorization.

128490152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 128490152 is about 11335.3496637731. The cubic root of 128490152 is about 504.6108847783.

The spelling of 128490152 in words is "one hundred twenty-eight million, four hundred ninety thousand, one hundred fifty-two".