421011234 has 192 divisors, whose sum is σ = 1161888000. Its totient is φ = 109734912.

The previous prime is 421011229. The next prime is 421011257. The reversal of 421011234 is 432110124.

421011234 is a `hidden beast` number, since 421 + 0 + 11 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4340274 + ... + 4340370.

It is an arithmetic number, because the mean of its divisors is an integer number (6051500).

Almost surely, 2^421011234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421011234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580944000).

421011234 is an abundant number, since it is smaller than the sum of its proper divisors (740876766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421011234 is a wasteful number, since it uses less digits than its factorization.

421011234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421011234 is about 20518.5582826864. The cubic root of 421011234 is about 749.4877889327.

Adding to 421011234 its reverse (432110124), we get a palindrome (853121358).

The spelling of 421011234 in words is "four hundred twenty-one million, eleven thousand, two hundred thirty-four".