128104154 has 4 divisors (see below), whose sum is σ = 192156234. Its totient is φ = 64052076.

The previous prime is 128104153. The next prime is 128104169. The reversal of 128104154 is 451401821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451401821 = 13 ⋅34723217.

It can be written as a sum of positive squares in only one way, i.e., 112933129 + 15171025 = 10627^2 + 3895^2 .

It is not an unprimeable number, because it can be changed into a prime (128104153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32026037 + ... + 32026040.

Almost surely, 2^128104154 is an apocalyptic number.

128104154 is a deficient number, since it is larger than the sum of its proper divisors (64052080).

128104154 is an equidigital number, since it uses as much as digits as its factorization.

128104154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64052079.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 128104154 is about 11318.3105629771. The cubic root of 128104154 is about 504.1050764581.

Adding to 128104154 its reverse (451401821), we get a palindrome (579505975).

The spelling of 128104154 in words is "one hundred twenty-eight million, one hundred four thousand, one hundred fifty-four".