128031034 has 32 divisors (see below), whose sum is σ = 200931840. Its totient is φ = 61152000.

The previous prime is 128031031. The next prime is 128031049. The reversal of 128031034 is 430130821.

It is a junction number, because it is equal to n+sod(n) for n = 128030996 and 128031014.

It is not an unprimeable number, because it can be changed into a prime (128031031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132962 + ... + 1133074.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^128031034 is an apocalyptic number.

128031034 is a deficient number, since it is larger than the sum of its proper divisors (72900806).

128031034 is a wasteful number, since it uses less digits than its factorization.

128031034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 128031034 is about 11315.0799378528. The cubic root of 128031034 is about 504.0091462395.

Adding to 128031034 its reverse (430130821), we get a palindrome (558161855).

The spelling of 128031034 in words is "one hundred twenty-eight million, thirty-one thousand, thirty-four".