128850156 has 24 divisors (see below), whose sum is σ = 334056240. Its totient is φ = 42950016.

The previous prime is 128850131. The next prime is 128850173. The reversal of 128850156 is 651058821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128850156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596421 + ... + 596636.

It is an arithmetic number, because the mean of its divisors is an integer number (13919010).

Almost surely, 2^128850156 is an apocalyptic number.

It is an amenable number.

128850156 is an abundant number, since it is smaller than the sum of its proper divisors (205206084).

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

128850156 is a wasteful number, since it uses less digits than its factorization.

128850156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193070 (or 1193062 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 128850156 is about 11351.2182606097. The cubic root of 128850156 is about 505.0817186320.

The spelling of 128850156 in words is "one hundred twenty-eight million, eight hundred fifty thousand, one hundred fifty-six".