128241274 has 8 divisors (see below), whose sum is σ = 219842208. Its totient is φ = 54960540.

The previous prime is 128241263. The next prime is 128241293. The reversal of 128241274 is 472142821.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580032 + ... + 4580059.

It is an arithmetic number, because the mean of its divisors is an integer number (27480276).

Almost surely, 2^128241274 is an apocalyptic number.

128241274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128241274 is a deficient number, since it is larger than the sum of its proper divisors (91600934).

128241274 is an equidigital number, since it uses as much as digits as its factorization.

128241274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160100.

The product of its digits is 7168, while the sum is 31.

The square root of 128241274 is about 11324.3663840411. The cubic root of 128241274 is about 504.2848734905.

The spelling of 128241274 in words is "one hundred twenty-eight million, two hundred forty-one thousand, two hundred seventy-four".