128453970 has 16 divisors (see below), whose sum is σ = 308289600. Its totient is φ = 34254384.

The previous prime is 128453951. The next prime is 128454013. The reversal of 128453970 is 79354821.

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, 2140870 + ... + 2140929.

It is an arithmetic number, because the mean of its divisors is an integer number (19268100).

Almost surely, 2^128453970 is an apocalyptic number.

128453970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128453970 is an abundant number, since it is smaller than the sum of its proper divisors (179835630).

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

128453970 is a wasteful number, since it uses less digits than its factorization.

128453970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281809.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 128453970 is about 11333.7535706402. The cubic root of 128453970 is about 504.5635152724.

The spelling of 128453970 in words is "one hundred twenty-eight million, four hundred fifty-three thousand, nine hundred seventy".