404454121 has 8 divisors (see below), whose sum is σ = 427442400. Its totient is φ = 381636000.

The previous prime is 404454119. The next prime is 404454139. The reversal of 404454121 is 121454404.

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 404454121 - 2¹ = 404454119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404452121) 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, 37636 + ... + 47173.

It is an arithmetic number, because the mean of its divisors is an integer number (53430300).

Almost surely, 2^404454121 is an apocalyptic number.

It is an amenable number.

404454121 is a deficient number, since it is larger than the sum of its proper divisors (22988279).

404454121 is a wasteful number, since it uses less digits than its factorization.

404454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85079.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 404454121 is about 20111.0447515787. The cubic root of 404454121 is about 739.5310645996.

The spelling of 404454121 in words is "four hundred four million, four hundred fifty-four thousand, one hundred twenty-one".