128450953 has 8 divisors (see below), whose sum is σ = 131345280. Its totient is φ = 125563440.

The previous prime is 128450921. The next prime is 128450983. The reversal of 128450953 is 359054821.

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

It is a cyclic number.

It is not a de Polignac number, because 128450953 - 2⁵ = 128450921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128450983) 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, 63918 + ... + 65896.

It is an arithmetic number, because the mean of its divisors is an integer number (16418160).

Almost surely, 2^128450953 is an apocalyptic number.

It is an amenable number.

128450953 is a deficient number, since it is larger than the sum of its proper divisors (2894327).

128450953 is a wasteful number, since it uses less digits than its factorization.

128450953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 128450953 is about 11333.6204718528. The cubic root of 128450953 is about 504.5595650116.

The spelling of 128450953 in words is "one hundred twenty-eight million, four hundred fifty thousand, nine hundred fifty-three".