128451835 has 8 divisors (see below), whose sum is σ = 154564416. Its totient is φ = 102480000.

The previous prime is 128451823. The next prime is 128451853. The reversal of 128451835 is 538154821.

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

It is not a de Polignac number, because 128451835 - 2²³ = 120063227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128451794 and 128451803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33166 + ... + 36835.

It is an arithmetic number, because the mean of its divisors is an integer number (19320552).

Almost surely, 2^128451835 is an apocalyptic number.

128451835 is a deficient number, since it is larger than the sum of its proper divisors (26112581).

128451835 is an equidigital number, since it uses as much as digits as its factorization.

128451835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70373.

The product of its digits is 38400, while the sum is 37.

The square root of 128451835 is about 11333.6593825648. The cubic root of 128451835 is about 504.5607198506.

It can be divided in two parts, 128451 and 835, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 128451835 in words is "one hundred twenty-eight million, four hundred fifty-one thousand, eight hundred thirty-five".