128315151 has 32 divisors (see below), whose sum is σ = 200928000. Its totient is φ = 80707104.

The previous prime is 128315141. The next prime is 128315171. The reversal of 128315151 is 151513821.

It is not a de Polignac number, because 128315151 - 2⁷ = 128315023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128315101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199236 + ... + 199878.

It is an arithmetic number, because the mean of its divisors is an integer number (6279000).

Almost surely, 2^128315151 is an apocalyptic number.

128315151 is a deficient number, since it is larger than the sum of its proper divisors (72612849).

128315151 is a wasteful number, since it uses less digits than its factorization.

128315151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1054 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 128315151 is about 11327.6277746049. The cubic root of 128315151 is about 504.3816907392.

Adding to 128315151 its reverse (151513821), we get a palindrome (279828972).

The spelling of 128315151 in words is "one hundred twenty-eight million, three hundred fifteen thousand, one hundred fifty-one".