128330273 has 8 divisors (see below), whose sum is σ = 129470400. Its totient is φ = 127194160.

The previous prime is 128330269. The next prime is 128330303. The reversal of 128330273 is 372033821.

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

It is a cyclic number.

It is not a de Polignac number, because 128330273 - 2² = 128330269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128330233) 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, 131678 + ... + 132648.

It is an arithmetic number, because the mean of its divisors is an integer number (16183800).

Almost surely, 2^128330273 is an apocalyptic number.

It is an amenable number.

128330273 is a deficient number, since it is larger than the sum of its proper divisors (1140127).

128330273 is an equidigital number, since it uses as much as digits as its factorization.

128330273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 128330273 is about 11328.2952380312. The cubic root of 128330273 is about 504.4015038329.

The spelling of 128330273 in words is "one hundred twenty-eight million, three hundred thirty thousand, two hundred seventy-three".