128903682 has 16 divisors (see below), whose sum is σ = 258243552. Its totient is φ = 42895200.

The previous prime is 128903681. The next prime is 128903683. The reversal of 128903682 is 286309821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128903681) and next prime (128903683).

It is a self number, because there is not a number n which added to its sum of digits gives 128903682.

It is not an unprimeable number, because it can be changed into a prime (128903681) 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, 14268 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (16140222).

Almost surely, 2^128903682 is an apocalyptic number.

128903682 is an abundant number, since it is smaller than the sum of its proper divisors (129339870).

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

128903682 is a wasteful number, since it uses less digits than its factorization.

128903682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36353.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 128903682 is about 11353.5757363044. The cubic root of 128903682 is about 505.1516480814.

The spelling of 128903682 in words is "one hundred twenty-eight million, nine hundred three thousand, six hundred eighty-two".