128591151 has 8 divisors (see below), whose sum is σ = 184643760. Its totient is φ = 79132992.

The previous prime is 128591143. The next prime is 128591167. The reversal of 128591151 is 151195821.

It is a happy number.

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

It is not a de Polignac number, because 128591151 - 2³ = 128591143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128591171) 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, 1648566 + ... + 1648643.

It is an arithmetic number, because the mean of its divisors is an integer number (23080470).

Almost surely, 2^128591151 is an apocalyptic number.

128591151 is a deficient number, since it is larger than the sum of its proper divisors (56052609).

128591151 is a wasteful number, since it uses less digits than its factorization.

128591151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297225.

The product of its digits is 3600, while the sum is 33.

The square root of 128591151 is about 11339.8038342821. The cubic root of 128591151 is about 504.7430657176.

The spelling of 128591151 in words is "one hundred twenty-eight million, five hundred ninety-one thousand, one hundred fifty-one".