112121434 has 4 divisors (see below), whose sum is σ = 168182154. Its totient is φ = 56060716.

The previous prime is 112121423. The next prime is 112121437. The reversal of 112121434 is 434121211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93605625 + 18515809 = 9675^2 + 4303^2 .

It is not an unprimeable number, because it can be changed into a prime (112121437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030357 + ... + 28030360.

Almost surely, 2^112121434 is an apocalyptic number.

112121434 is a deficient number, since it is larger than the sum of its proper divisors (56060720).

112121434 is an equidigital number, since it uses as much as digits as its factorization.

112121434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060719.

The product of its digits is 192, while the sum is 19.

The square root of 112121434 is about 10588.7409072089. The cubic root of 112121434 is about 482.2026001589.

Adding to 112121434 its reverse (434121211), we get a palindrome (546242645).

The spelling of 112121434 in words is "one hundred twelve million, one hundred twenty-one thousand, four hundred thirty-four".