128051254 has 8 divisors (see below), whose sum is σ = 193072680. Its totient is φ = 63693696.

The previous prime is 128051251. The next prime is 128051267. The reversal of 128051254 is 452150821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128051251) 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, 165484 + ... + 166255.

It is an arithmetic number, because the mean of its divisors is an integer number (24134085).

Almost surely, 2^128051254 is an apocalyptic number.

128051254 is a deficient number, since it is larger than the sum of its proper divisors (65021426).

128051254 is a wasteful number, since it uses less digits than its factorization.

128051254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331934.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 128051254 is about 11315.9734004636. The cubic root of 128051254 is about 504.0356776415.

The spelling of 128051254 in words is "one hundred twenty-eight million, fifty-one thousand, two hundred fifty-four".