128464753 has 4 divisors (see below), whose sum is σ = 128597220. Its totient is φ = 128332288.

The previous prime is 128464727. The next prime is 128464769. The reversal of 128464753 is 357464821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357464821 = 7 ⋅51066403.

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 61355889 = 8192^2 + 7833^2 .

It is a cyclic number.

It is not a de Polignac number, because 128464753 - 2¹³ = 128456561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128464153) 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, 64768 + ... + 66721.

It is an arithmetic number, because the mean of its divisors is an integer number (32149305).

Almost surely, 2^128464753 is an apocalyptic number.

It is an amenable number.

128464753 is a deficient number, since it is larger than the sum of its proper divisors (132467).

128464753 is an equidigital number, since it uses as much as digits as its factorization.

128464753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132466.

The product of its digits is 161280, while the sum is 40.

The square root of 128464753 is about 11334.2292636068. The cubic root of 128464753 is about 504.5776333157.

The spelling of 128464753 in words is "one hundred twenty-eight million, four hundred sixty-four thousand, seven hundred fifty-three".