128451367 has 8 divisors (see below), whose sum is σ = 140743440. Its totient is φ = 116261760.

The previous prime is 128451359. The next prime is 128451413. The reversal of 128451367 is 763154821.

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 128451367 - 2³ = 128451359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128451667) 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, 22978 + ... + 28015.

It is an arithmetic number, because the mean of its divisors is an integer number (17592930).

Almost surely, 2^128451367 is an apocalyptic number.

128451367 is a deficient number, since it is larger than the sum of its proper divisors (12292073).

128451367 is a wasteful number, since it uses less digits than its factorization.

128451367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51233.

The product of its digits is 40320, while the sum is 37.

The square root of 128451367 is about 11333.6387360812. The cubic root of 128451367 is about 504.5601070795.

The spelling of 128451367 in words is "one hundred twenty-eight million, four hundred fifty-one thousand, three hundred sixty-seven".