128948337 has 12 divisors (see below), whose sum is σ = 212867200. Its totient is φ = 73684728.

The previous prime is 128948329. The next prime is 128948341. The reversal of 128948337 is 733849821.

It is not a de Polignac number, because 128948337 - 2³ = 128948329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128948292 and 128948301.

It is not an unprimeable number, because it can be changed into a prime (128948377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023337 + ... + 1023462.

Almost surely, 2^128948337 is an apocalyptic number.

It is an amenable number.

128948337 is a deficient number, since it is larger than the sum of its proper divisors (83918863).

128948337 is a wasteful number, since it uses less digits than its factorization.

128948337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046812 (or 2046809 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 128948337 is about 11355.5421270849. The cubic root of 128948337 is about 505.2099731351.

The spelling of 128948337 in words is "one hundred twenty-eight million, nine hundred forty-eight thousand, three hundred thirty-seven".