128430652 has 48 divisors (see below), whose sum is σ = 274167040. Its totient is φ = 51414912.

The previous prime is 128430641. The next prime is 128430683. The reversal of 128430652 is 256034821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37183 + ... + 40489.

Almost surely, 2^128430652 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 128430652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137083520).

128430652 is an abundant number, since it is smaller than the sum of its proper divisors (145736388).

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

128430652 is a wasteful number, since it uses less digits than its factorization.

128430652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 128430652 is about 11332.7248268014. The cubic root of 128430652 is about 504.5329826127.

The spelling of 128430652 in words is "one hundred twenty-eight million, four hundred thirty thousand, six hundred fifty-two".