128443298 has 8 divisors (see below), whose sum is σ = 193674240. Its totient is φ = 63885220.

The previous prime is 128443297. The next prime is 128443303. The reversal of 128443298 is 892344821.

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

It is a super-2 number, since 2×128443298² = 32995361602233608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128443297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167738 + ... + 168501.

It is an arithmetic number, because the mean of its divisors is an integer number (24209280).

Almost surely, 2^128443298 is an apocalyptic number.

128443298 is a deficient number, since it is larger than the sum of its proper divisors (65230942).

128443298 is a wasteful number, since it uses less digits than its factorization.

128443298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336432.

The product of its digits is 110592, while the sum is 41.

The square root of 128443298 is about 11333.2827547891. The cubic root of 128443298 is about 504.5495417819.

The spelling of 128443298 in words is "one hundred twenty-eight million, four hundred forty-three thousand, two hundred ninety-eight".