128373573 has 16 divisors (see below), whose sum is σ = 176988672. Its totient is φ = 82680000.

The previous prime is 128373569. The next prime is 128373577. The reversal of 128373573 is 375373821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128373569) and next prime (128373577).

It is not a de Polignac number, because 128373573 - 2² = 128373569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128373577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98023 + ... + 99323.

It is an arithmetic number, because the mean of its divisors is an integer number (11061792).

Almost surely, 2^128373573 is an apocalyptic number.

It is an amenable number.

128373573 is a deficient number, since it is larger than the sum of its proper divisors (48615099).

128373573 is a wasteful number, since it uses less digits than its factorization.

128373573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its digits is 105840, while the sum is 39.

The square root of 128373573 is about 11330.2062205416. The cubic root of 128373573 is about 504.4582275989.

The spelling of 128373573 in words is "one hundred twenty-eight million, three hundred seventy-three thousand, five hundred seventy-three".