128472351 has 16 divisors (see below), whose sum is σ = 195926784. Its totient is φ = 73353024.

The previous prime is 128472343. The next prime is 128472361. The reversal of 128472351 is 153274821.

It is not a de Polignac number, because 128472351 - 2³ = 128472343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128472341) 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, 44875 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (12245424).

Almost surely, 2^128472351 is an apocalyptic number.

128472351 is a deficient number, since it is larger than the sum of its proper divisors (67454433).

128472351 is a wasteful number, since it uses less digits than its factorization.

128472351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its digits is 13440, while the sum is 33.

The square root of 128472351 is about 11334.5644380364. The cubic root of 128472351 is about 504.5875808050.

The spelling of 128472351 in words is "one hundred twenty-eight million, four hundred seventy-two thousand, three hundred fifty-one".