128067703 has 4 divisors (see below), whose sum is σ = 133635888. Its totient is φ = 122499520.

The previous prime is 128067677. The next prime is 128067713. The reversal of 128067703 is 307760821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307760821 = 331 ⋅929791.

It is a cyclic number.

It is not a de Polignac number, because 128067703 - 2¹³ = 128059511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128067713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784058 + ... + 2784103.

It is an arithmetic number, because the mean of its divisors is an integer number (33408972).

Almost surely, 2^128067703 is an apocalyptic number.

128067703 is a deficient number, since it is larger than the sum of its proper divisors (5568185).

128067703 is an equidigital number, since it uses as much as digits as its factorization.

128067703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568184.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 128067703 is about 11316.7001815900. The cubic root of 128067703 is about 504.0572589162.

The spelling of 128067703 in words is "one hundred twenty-eight million, sixty-seven thousand, seven hundred three".