111404001 has 8 divisors (see below), whose sum is σ = 148715424. Its totient is φ = 74180960.

The previous prime is 111403979. The next prime is 111404021. The reversal of 111404001 is 100404111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111404001 - 2⁵ = 111403969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111404021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19095 + ... + 24236.

It is an arithmetic number, because the mean of its divisors is an integer number (18589428).

Almost surely, 2^111404001 is an apocalyptic number.

It is an amenable number.

111404001 is a deficient number, since it is larger than the sum of its proper divisors (37311423).

111404001 is an equidigital number, since it uses as much as digits as its factorization.

111404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44191.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111404001 is about 10554.8093777197. The cubic root of 111404001 is about 481.1719064602.

Adding to 111404001 its reverse (100404111), we get a palindrome (211808112).

The spelling of 111404001 in words is "one hundred eleven million, four hundred four thousand, one".