421118971 has 8 divisors (see below), whose sum is σ = 518300384. Its totient is φ = 333192960.

The previous prime is 421118953. The next prime is 421118977. The reversal of 421118971 is 179811124.

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 421118971 - 2⁵ = 421118939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421118977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313750 + ... + 2313931.

It is an arithmetic number, because the mean of its divisors is an integer number (64787548).

Almost surely, 2^421118971 is an apocalyptic number.

421118971 is a deficient number, since it is larger than the sum of its proper divisors (97181413).

421118971 is a wasteful number, since it uses less digits than its factorization.

421118971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627701.

The product of its digits is 4032, while the sum is 34.

The square root of 421118971 is about 20521.1834697709. The cubic root of 421118971 is about 749.5517149222.

The spelling of 421118971 in words is "four hundred twenty-one million, one hundred eighteen thousand, nine hundred seventy-one".