128896070 has 8 divisors (see below), whose sum is σ = 232012944. Its totient is φ = 51558424.

The previous prime is 128896067. The next prime is 128896093. The reversal of 128896070 is 70698821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128896070² = 33228393722889800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6444794 + ... + 6444813.

It is an arithmetic number, because the mean of its divisors is an integer number (29001618).

Almost surely, 2^128896070 is an apocalyptic number.

128896070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128896070 is a deficient number, since it is larger than the sum of its proper divisors (103116874).

128896070 is a wasteful number, since it uses less digits than its factorization.

128896070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889614.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 128896070 is about 11353.2405065690. The cubic root of 128896070 is about 505.1417045070.

The spelling of 128896070 in words is "one hundred twenty-eight million, eight hundred ninety-six thousand, seventy".