128701254 has 64 divisors (see below), whose sum is σ = 299158272. Its totient is φ = 36480000.

The previous prime is 128701247. The next prime is 128701267. The reversal of 128701254 is 452107821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281394 + ... + 281850.

It is an arithmetic number, because the mean of its divisors is an integer number (4674348).

Almost surely, 2^128701254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128701254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149579136).

128701254 is an abundant number, since it is smaller than the sum of its proper divisors (170457018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128701254 is a wasteful number, since it uses less digits than its factorization.

128701254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 128701254 is about 11344.6575091538. The cubic root of 128701254 is about 504.8870825536.

The spelling of 128701254 in words is "one hundred twenty-eight million, seven hundred one thousand, two hundred fifty-four".