128849034 has 16 divisors (see below), whose sum is σ = 260803872. Its totient is φ = 42432048.

The previous prime is 128849023. The next prime is 128849047. The reversal of 128849034 is 430948821.

It is a junction number, because it is equal to n+sod(n) for n = 128848983 and 128849001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128869 + ... + 129864.

It is an arithmetic number, because the mean of its divisors is an integer number (16300242).

Almost surely, 2^128849034 is an apocalyptic number.

128849034 is an abundant number, since it is smaller than the sum of its proper divisors (131954838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128849034 is a wasteful number, since it uses less digits than its factorization.

128849034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258821.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 128849034 is about 11351.1688384941. The cubic root of 128849034 is about 505.0802525794.

The spelling of 128849034 in words is "one hundred twenty-eight million, eight hundred forty-nine thousand, thirty-four".