111402434 has 72 divisors (see below), whose sum is σ = 210842352. Its totient is φ = 43748640.

The previous prime is 111402413. The next prime is 111402461. The reversal of 111402434 is 434204111.

It is a super-2 number, since 2×111402434² = 24821004602248712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1342157 + ... + 1342239.

It is an arithmetic number, because the mean of its divisors is an integer number (2928366).

Almost surely, 2^111402434 is an apocalyptic number.

111402434 is a deficient number, since it is larger than the sum of its proper divisors (99439918).

111402434 is a wasteful number, since it uses less digits than its factorization.

111402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 128 counting only the distinct ones).

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

The square root of 111402434 is about 10554.7351458954. The cubic root of 111402434 is about 481.1696504075.

Adding to 111402434 its reverse (434204111), we get a palindrome (545606545).

The spelling of 111402434 in words is "one hundred eleven million, four hundred two thousand, four hundred thirty-four".