128422124 has 6 divisors (see below), whose sum is σ = 224738724. Its totient is φ = 64211060.

The previous prime is 128422103. The next prime is 128422139. The reversal of 128422124 is 421224821.

It is a junction number, because it is equal to n+sod(n) for n = 128422093 and 128422102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16052762 + ... + 16052769.

It is an arithmetic number, because the mean of its divisors is an integer number (37456454).

Almost surely, 2^128422124 is an apocalyptic number.

It is an amenable number.

128422124 is a deficient number, since it is larger than the sum of its proper divisors (96316600).

128422124 is a wasteful number, since it uses less digits than its factorization.

128422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32105535 (or 32105533 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 128422124 is about 11332.3485650592. The cubic root of 128422124 is about 504.5218151008.

Adding to 128422124 its reverse (421224821), we get a palindrome (549646945).

The spelling of 128422124 in words is "one hundred twenty-eight million, four hundred twenty-two thousand, one hundred twenty-four".