128752473 has 16 divisors (see below), whose sum is σ = 175011840. Its totient is φ = 84180096.

The previous prime is 128752471. The next prime is 128752487. The reversal of 128752473 is 374257821.

It is not a de Polignac number, because 128752473 - 2¹ = 128752471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128752471) 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, 32011 + ... + 35807.

It is an arithmetic number, because the mean of its divisors is an integer number (10938240).

Almost surely, 2^128752473 is an apocalyptic number.

It is an amenable number.

128752473 is a deficient number, since it is larger than the sum of its proper divisors (46259367).

128752473 is a wasteful number, since it uses less digits than its factorization.

128752473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016.

The product of its digits is 94080, while the sum is 39.

The square root of 128752473 is about 11346.9146907871. The cubic root of 128752473 is about 504.9540499968.

The spelling of 128752473 in words is "one hundred twenty-eight million, seven hundred fifty-two thousand, four hundred seventy-three".