128457437001 has 8 divisors (see below), whose sum is σ = 171289516704. Its totient is φ = 85631824320.

The previous prime is 128457436999. The next prime is 128457437023. The reversal of 128457437001 is 100734754821.

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

It is not a de Polignac number, because 128457437001 - 2¹ = 128457436999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128457437071) 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, 1570215 + ... + 1649996.

It is an arithmetic number, because the mean of its divisors is an integer number (21411189588).

Almost surely, 2^128457437001 is an apocalyptic number.

It is an amenable number.

128457437001 is a deficient number, since it is larger than the sum of its proper divisors (42832079703).

128457437001 is a wasteful number, since it uses less digits than its factorization.

128457437001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233511.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 128457437001 in words is "one hundred twenty-eight billion, four hundred fifty-seven million, four hundred thirty-seven thousand, one".