111403434 has 16 divisors (see below), whose sum is σ = 223255872. Its totient is φ = 37059648.

The previous prime is 111403417. The next prime is 111403451. The reversal of 111403434 is 434304111.

It is an interprime number because it is at equal distance from previous prime (111403417) and next prime (111403451).

It is a self number, because there is not a number n which added to its sum of digits gives 111403434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15439 + ... + 21474.

It is an arithmetic number, because the mean of its divisors is an integer number (13953492).

Almost surely, 2^111403434 is an apocalyptic number.

111403434 is an abundant number, since it is smaller than the sum of its proper divisors (111852438).

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

111403434 is a wasteful number, since it uses less digits than its factorization.

111403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37421.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 111403434 is about 10554.7825178921. The cubic root of 111403434 is about 481.1710901373.

Adding to 111403434 its reverse (434304111), we get a palindrome (545707545).

The spelling of 111403434 in words is "one hundred eleven million, four hundred three thousand, four hundred thirty-four".