421154 has 8 divisors (see below), whose sum is σ = 665040. Its totient is φ = 199476.

The previous prime is 421147. The next prime is 421159. The reversal of 421154 is 451124.

421154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (421159) by changing a digit.

421154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (83130).

2⁴²¹¹⁵⁴ is an apocalyptic number.

421154 is a deficient number, since it is larger than the sum of its proper divisors (243886).

421154 is a wasteful number, since it uses less digits than its factorization.

421154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104.

The product of its digits is 160, while the sum is 17.

The square root of 421154 is about 648.9637894367. The cubic root of 421154 is about 74.9572497109.

Adding to 421154 its reverse (451124), we get a palindrome (872278).

It can be divided in two parts, 421 and 154, that added together give a palindrome (575).

The spelling of 421154 in words is "four hundred twenty-one thousand, one hundred fifty-four".