128901070 has 8 divisors (see below), whose sum is σ = 232021944. Its totient is φ = 51560424.

The previous prime is 128901067. The next prime is 128901077. The reversal of 128901070 is 70109821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128901077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6445044 + ... + 6445063.

It is an arithmetic number, because the mean of its divisors is an integer number (29002743).

Almost surely, 2^128901070 is an apocalyptic number.

128901070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128901070 is a deficient number, since it is larger than the sum of its proper divisors (103120874).

128901070 is a wasteful number, since it uses less digits than its factorization.

128901070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890114.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 128901070 is about 11353.4607058817. The cubic root of 128901070 is about 505.1482360634.

The spelling of 128901070 in words is "one hundred twenty-eight million, nine hundred one thousand, seventy".