111841434 has 12 divisors (see below), whose sum is σ = 242323146. Its totient is φ = 37280472.

The previous prime is 111841427. The next prime is 111841463. The reversal of 111841434 is 434148111.

It can be written as a sum of positive squares in only one way, i.e., 98903025 + 12938409 = 9945^2 + 3597^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111841398 and 111841407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3106689 + ... + 3106724.

Almost surely, 2^111841434 is an apocalyptic number.

111841434 is an abundant number, since it is smaller than the sum of its proper divisors (130481712).

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

111841434 is a wasteful number, since it uses less digits than its factorization.

111841434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213421 (or 6213418 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 111841434 is about 10575.5110514812. The cubic root of 111841434 is about 481.8008652676.

Adding to 111841434 its reverse (434148111), we get a palindrome (545989545).

The spelling of 111841434 in words is "one hundred eleven million, eight hundred forty-one thousand, four hundred thirty-four".