128452426 has 32 divisors (see below), whose sum is σ = 215006400. Its totient is φ = 57294720.

The previous prime is 128452421. The next prime is 128452427. The reversal of 128452426 is 624254821.

It is a junction number, because it is equal to n+sod(n) for n = 128452391 and 128452400.

It is not an unprimeable number, because it can be changed into a prime (128452421) 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, 43761 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (6718950).

Almost surely, 2^128452426 is an apocalyptic number.

128452426 is a deficient number, since it is larger than the sum of its proper divisors (86553974).

128452426 is a wasteful number, since it uses less digits than its factorization.

128452426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934.

The product of its digits is 30720, while the sum is 34.

The square root of 128452426 is about 11333.6854553142. The cubic root of 128452426 is about 504.5614936683.

The spelling of 128452426 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, four hundred twenty-six".