112021434 has 32 divisors (see below), whose sum is σ = 284499840. Its totient is φ = 32006016.

The previous prime is 112021411. The next prime is 112021439. The reversal of 112021434 is 434120211.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112021439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147799 + ... + 148554.

It is an arithmetic number, because the mean of its divisors is an integer number (8890620).

Almost surely, 2^112021434 is an apocalyptic number.

112021434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

112021434 is an abundant number, since it is smaller than the sum of its proper divisors (172478406).

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

112021434 is a wasteful number, since it uses less digits than its factorization.

112021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296371 (or 296365 counting only the distinct ones).

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

The square root of 112021434 is about 10584.0178571278. The cubic root of 112021434 is about 482.0592002721.

Adding to 112021434 its reverse (434120211), we get a palindrome (546141645).

The spelling of 112021434 in words is "one hundred twelve million, twenty-one thousand, four hundred thirty-four".