421122134 has 16 divisors (see below), whose sum is σ = 674479872. Its totient is φ = 196721448.

The previous prime is 421122133. The next prime is 421122139. The reversal of 421122134 is 431221124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104474 + ... + 108429.

It is an arithmetic number, because the mean of its divisors is an integer number (42154992).

Almost surely, 2^421122134 is an apocalyptic number.

421122134 is a deficient number, since it is larger than the sum of its proper divisors (253357738).

421122134 is a wasteful number, since it uses less digits than its factorization.

421122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212971.

The product of its digits is 384, while the sum is 20.

The square root of 421122134 is about 20521.2605363316. The cubic root of 421122134 is about 749.5535915305.

Adding to 421122134 its reverse (431221124), we get a palindrome (852343258).

The spelling of 421122134 in words is "four hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-four".