421055043 has 8 divisors (see below), whose sum is σ = 585815808. Its totient is φ = 268498824.

The previous prime is 421055023. The next prime is 421055059. The reversal of 421055043 is 340550124.

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

It is not a de Polignac number, because 421055043 - 2⁹ = 421054531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421055023) 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, 3051055 + ... + 3051192.

It is an arithmetic number, because the mean of its divisors is an integer number (73226976).

Almost surely, 2^421055043 is an apocalyptic number.

421055043 is a deficient number, since it is larger than the sum of its proper divisors (164760765).

421055043 is a wasteful number, since it uses less digits than its factorization.

421055043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102273.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 421055043 is about 20519.6258006816. The cubic root of 421055043 is about 749.5137844162.

The spelling of 421055043 in words is "four hundred twenty-one million, fifty-five thousand, forty-three".