408975121 has 8 divisors (see below), whose sum is σ = 428995584. Its totient is φ = 389141280.

The previous prime is 408975089. The next prime is 408975143. The reversal of 408975121 is 121579804.

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 408975121 - 2⁵ = 408975089 is a prime.

It is a super-3 number, since 3×408975121³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408975191) 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, 42156 + ... + 50941.

It is an arithmetic number, because the mean of its divisors is an integer number (53624448).

Almost surely, 2^408975121 is an apocalyptic number.

It is an amenable number.

408975121 is a deficient number, since it is larger than the sum of its proper divisors (20020463).

408975121 is a wasteful number, since it uses less digits than its factorization.

408975121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93311.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 408975121 is about 20223.1333131145. The cubic root of 408975121 is about 742.2763608272.

The spelling of 408975121 in words is "four hundred eight million, nine hundred seventy-five thousand, one hundred twenty-one".