128297603 has 8 divisors (see below), whose sum is σ = 147598080. Its totient is φ = 109240200.

The previous prime is 128297599. The next prime is 128297621. The reversal of 128297603 is 306792821.

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

It is a cyclic number.

It is not a de Polignac number, because 128297603 - 2² = 128297599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128297693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59633 + ... + 61746.

It is an arithmetic number, because the mean of its divisors is an integer number (18449760).

Almost surely, 2^128297603 is an apocalyptic number.

128297603 is a deficient number, since it is larger than the sum of its proper divisors (19300477).

128297603 is a wasteful number, since it uses less digits than its factorization.

128297603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121537.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 128297603 is about 11326.8531817094. The cubic root of 128297603 is about 504.3586971089.

The spelling of 128297603 in words is "one hundred twenty-eight million, two hundred ninety-seven thousand, six hundred three".