421464121 has 8 divisors (see below), whose sum is σ = 473618880. Its totient is φ = 372128592.

The previous prime is 421464107. The next prime is 421464191. The reversal of 421464121 is 121464124.

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

It is a de Polignac number, because none of the positive numbers 2^k-421464121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421464191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704491 + ... + 705088.

It is an arithmetic number, because the mean of its divisors is an integer number (59202360).

Almost surely, 2^421464121 is an apocalyptic number.

It is an amenable number.

421464121 is a deficient number, since it is larger than the sum of its proper divisors (52154759).

421464121 is a wasteful number, since it uses less digits than its factorization.

421464121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409615.

The product of its digits is 1536, while the sum is 25.

The square root of 421464121 is about 20529.5913500488. The cubic root of 421464121 is about 749.7564370595.

The spelling of 421464121 in words is "four hundred twenty-one million, four hundred sixty-four thousand, one hundred twenty-one".