128473036 has 12 divisors (see below), whose sum is σ = 228183928. Its totient is φ = 63277632.

The previous prime is 128472997. The next prime is 128473057. The reversal of 128473036 is 630374821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128472992 and 128473010.

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, 239421 + ... + 239956.

Almost surely, 2^128473036 is an apocalyptic number.

It is an amenable number.

128473036 is a deficient number, since it is larger than the sum of its proper divisors (99710892).

128473036 is a wasteful number, since it uses less digits than its factorization.

128473036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479448 (or 479446 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 128473036 is about 11334.5946553020. The cubic root of 128473036 is about 504.5884776047.

The spelling of 128473036 in words is "one hundred twenty-eight million, four hundred seventy-three thousand, thirty-six".