128604453 has 8 divisors (see below), whose sum is σ = 171534816. Its totient is φ = 85705200.

The previous prime is 128604451. The next prime is 128604479. The reversal of 128604453 is 354406821.

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

It is not a de Polignac number, because 128604453 - 2¹ = 128604451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128604451) 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, 4758 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (21441852).

Almost surely, 2^128604453 is an apocalyptic number.

It is an amenable number.

128604453 is a deficient number, since it is larger than the sum of its proper divisors (42930363).

128604453 is a wasteful number, since it uses less digits than its factorization.

128604453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 128604453 is about 11340.3903371974. The cubic root of 128604453 is about 504.7604693536.

The spelling of 128604453 in words is "one hundred twenty-eight million, six hundred four thousand, four hundred fifty-three".