421110153 has 6 divisors (see below), whose sum is σ = 608270234. Its totient is φ = 280740096.

The previous prime is 421110149. The next prime is 421110181. The reversal of 421110153 is 351011124.

It can be written as a sum of positive squares in only one way, i.e., 378964089 + 42146064 = 19467^2 + 6492^2 .

It is not a de Polignac number, because 421110153 - 2² = 421110149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421110143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23395000 + ... + 23395017.

Almost surely, 2^421110153 is an apocalyptic number.

It is an amenable number.

421110153 is a deficient number, since it is larger than the sum of its proper divisors (187160081).

421110153 is a wasteful number, since it uses less digits than its factorization.

421110153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46790023 (or 46790020 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 421110153 is about 20520.9686174898. The cubic root of 421110153 is about 749.5464831519.

Adding to 421110153 its reverse (351011124), we get a palindrome (772121277).

The spelling of 421110153 in words is "four hundred twenty-one million, one hundred ten thousand, one hundred fifty-three".