111459601 has 16 divisors (see below), whose sum is σ = 126038016. Its totient is φ = 97650000.

The previous prime is 111459581. The next prime is 111459611. The reversal of 111459601 is 106954111.

It is not a de Polignac number, because 111459601 - 2⁷ = 111459473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111459601.

It is not an unprimeable number, because it can be changed into a prime (111459611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105526 + ... + 106576.

It is an arithmetic number, because the mean of its divisors is an integer number (7877376).

Almost surely, 2^111459601 is an apocalyptic number.

111459601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111459601 is a deficient number, since it is larger than the sum of its proper divisors (14578415).

111459601 is a wasteful number, since it uses less digits than its factorization.

111459601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 111459601 is about 10557.4429195710. The cubic root of 111459601 is about 481.2519416125.

The spelling of 111459601 in words is "one hundred eleven million, four hundred fifty-nine thousand, six hundred one".