128110451 has 6 divisors (see below), whose sum is σ = 149026500. Its totient is φ = 109808916.

The previous prime is 128110447. The next prime is 128110457. The reversal of 128110451 is 154011821.

It is not a de Polignac number, because 128110451 - 2² = 128110447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128110457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307201 + ... + 1307298.

It is an arithmetic number, because the mean of its divisors is an integer number (24837750).

Almost surely, 2^128110451 is an apocalyptic number.

128110451 is a deficient number, since it is larger than the sum of its proper divisors (20916049).

128110451 is an equidigital number, since it uses as much as digits as its factorization.

128110451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614513 (or 2614506 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 128110451 is about 11318.5887371174. The cubic root of 128110451 is about 504.1133361373.

The spelling of 128110451 in words is "one hundred twenty-eight million, one hundred ten thousand, four hundred fifty-one".