128160451 has 4 divisors (see below), whose sum is σ = 130261504. Its totient is φ = 126059400.

The previous prime is 128160401. The next prime is 128160463. The reversal of 128160451 is 154061821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154061821 = 37 ⋅4163833.

It is a cyclic number.

It is not a de Polignac number, because 128160451 - 2¹¹ = 128158403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128160401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050435 + ... + 1050556.

It is an arithmetic number, because the mean of its divisors is an integer number (32565376).

Almost surely, 2^128160451 is an apocalyptic number.

128160451 is a deficient number, since it is larger than the sum of its proper divisors (2101053).

128160451 is an equidigital number, since it uses as much as digits as its factorization.

128160451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101052.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 128160451 is about 11320.7972775772. The cubic root of 128160451 is about 504.1789107728.

The spelling of 128160451 in words is "one hundred twenty-eight million, one hundred sixty thousand, four hundred fifty-one".