421054 has 4 divisors (see below), whose sum is σ = 631584. Its totient is φ = 210526.

The previous prime is 421049. The next prime is 421079. The reversal of 421054 is 450124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105262 + ... + 105265.

It is an arithmetic number, because the mean of its divisors is an integer number (157896).

2⁴²¹⁰⁵⁴ is an apocalyptic number.

421054 is a deficient number, since it is larger than the sum of its proper divisors (210530).

421054 is a wasteful number, since it uses less digits than its factorization.

421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210529.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 421054 is about 648.8867389614. The cubic root of 421054 is about 74.9513165539.

Adding to 421054 its reverse (450124), we get a palindrome (871178).

The spelling of 421054 in words is "four hundred twenty-one thousand, fifty-four".