128958151 has 12 divisors (see below), whose sum is σ = 150282552. Its totient is φ = 110336688.

The previous prime is 128958139. The next prime is 128958173. The reversal of 128958151 is 151859821.

It is not a de Polignac number, because 128958151 - 2⁷ = 128958023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128958121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29461 + ... + 33553.

It is an arithmetic number, because the mean of its divisors is an integer number (12523546).

Almost surely, 2^128958151 is an apocalyptic number.

128958151 is a deficient number, since it is larger than the sum of its proper divisors (21324401).

128958151 is an equidigital number, since it uses as much as digits as its factorization.

128958151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750 (or 4743 counting only the distinct ones).

The product of its digits is 28800, while the sum is 40.

The square root of 128958151 is about 11355.9742426619. The cubic root of 128958151 is about 505.2227896501. Note that the first 3 decimals are identical.

The spelling of 128958151 in words is "one hundred twenty-eight million, nine hundred fifty-eight thousand, one hundred fifty-one".