128414020 has 24 divisors (see below), whose sum is σ = 308193984. Its totient is φ = 44027616.

The previous prime is 128413981. The next prime is 128414021. The reversal of 128414020 is 20414821.

It is a junction number, because it is equal to n+sod(n) for n = 128413982 and 128414000.

It is not an unprimeable number, because it can be changed into a prime (128414021) 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, 458482 + ... + 458761.

It is an arithmetic number, because the mean of its divisors is an integer number (12841416).

Almost surely, 2^128414020 is an apocalyptic number.

128414020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128414020 is an abundant number, since it is smaller than the sum of its proper divisors (179779964).

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

128414020 is a wasteful number, since it uses less digits than its factorization.

128414020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917259 (or 917257 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 128414020 is about 11331.9909989375. The cubic root of 128414020 is about 504.5112023635.

Adding to 128414020 its reverse (20414821), we get a palindrome (148828841).

It can be divided in two parts, 12841 and 4020, that added together give a palindrome (16861).

The spelling of 128414020 in words is "one hundred twenty-eight million, four hundred fourteen thousand, twenty".