111404927 has 4 divisors (see below), whose sum is σ = 117958176. Its totient is φ = 104851680.

The previous prime is 111404897. The next prime is 111404929. The reversal of 111404927 is 729404111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729404111 = 373 ⋅1955507.

It is a cyclic number.

It is not a de Polignac number, because 111404927 - 2¹⁶ = 111339391 is a prime.

It is a super-2 number, since 2×111404927² = 24822115519750658, which contains 22 as substring.

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 111404927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276599 + ... + 3276632.

It is an arithmetic number, because the mean of its divisors is an integer number (29489544).

Almost surely, 2^111404927 is an apocalyptic number.

111404927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111404927 is a deficient number, since it is larger than the sum of its proper divisors (6553249).

111404927 is an equidigital number, since it uses as much as digits as its factorization.

111404927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553248.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 111404927 is about 10554.8532438874. The cubic root of 111404927 is about 481.1732396378.

The spelling of 111404927 in words is "one hundred eleven million, four hundred four thousand, nine hundred twenty-seven".