128873162 has 16 divisors (see below), whose sum is σ = 221983200. Its totient is φ = 55495440.

The previous prime is 128873149. The next prime is 128873167. The reversal of 128873162 is 261378821.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (128873167) 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, 153737 + ... + 154572.

It is an arithmetic number, because the mean of its divisors is an integer number (13873950).

Almost surely, 2^128873162 is an apocalyptic number.

128873162 is a deficient number, since it is larger than the sum of its proper divisors (93110038).

128873162 is a wasteful number, since it uses less digits than its factorization.

128873162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308341.

The product of its digits is 32256, while the sum is 38.

The square root of 128873162 is about 11352.2315867850. The cubic root of 128873162 is about 505.1117773681. Note that the first 3 decimals are identical.

The spelling of 128873162 in words is "one hundred twenty-eight million, eight hundred seventy-three thousand, one hundred sixty-two".