128370428 has 6 divisors (see below), whose sum is σ = 224648256. Its totient is φ = 64185212.

The previous prime is 128370419. The next prime is 128370433. The reversal of 128370428 is 824073821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16046300 + ... + 16046307.

It is an arithmetic number, because the mean of its divisors is an integer number (37441376).

Almost surely, 2^128370428 is an apocalyptic number.

It is an amenable number.

128370428 is a deficient number, since it is larger than the sum of its proper divisors (96277828).

128370428 is a wasteful number, since it uses less digits than its factorization.

128370428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32092611 (or 32092609 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 128370428 is about 11330.0674313969. The cubic root of 128370428 is about 504.4541080229.

The spelling of 128370428 in words is "one hundred twenty-eight million, three hundred seventy thousand, four hundred twenty-eight".