128472182 has 8 divisors (see below), whose sum is σ = 192768336. Its totient is φ = 64216072.

The previous prime is 128472163. The next prime is 128472191. The reversal of 128472182 is 281274821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128472182² = 33010203095682248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 16029.

It is an arithmetic number, because the mean of its divisors is an integer number (24096042).

Almost surely, 2^128472182 is an apocalyptic number.

128472182 is a deficient number, since it is larger than the sum of its proper divisors (64296154).

128472182 is a wasteful number, since it uses less digits than its factorization.

128472182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022.

The product of its digits is 14336, while the sum is 35.

The square root of 128472182 is about 11334.5569829614. The cubic root of 128472182 is about 504.5873595503.

The spelling of 128472182 in words is "one hundred twenty-eight million, four hundred seventy-two thousand, one hundred eighty-two".