128983078 has 16 divisors (see below), whose sum is σ = 221433120. Its totient is φ = 55198656.

The previous prime is 128983069. The next prime is 128983081. The reversal of 128983078 is 870389821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (13839570).

Almost surely, 2^128983078 is an apocalyptic number.

128983078 is a deficient number, since it is larger than the sum of its proper divisors (92450042).

128983078 is a wasteful number, since it uses less digits than its factorization.

128983078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 128983078 is about 11357.0717176568. The cubic root of 128983078 is about 505.2553399440.

The spelling of 128983078 in words is "one hundred twenty-eight million, nine hundred eighty-three thousand, seventy-eight".