111417427 has 8 divisors (see below), whose sum is σ = 121694832. Its totient is φ = 101164800.

The previous prime is 111417421. The next prime is 111417461. The reversal of 111417427 is 724714111.

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

It is not a de Polignac number, because 111417427 - 2²³ = 103028819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111417395 and 111417404.

It is not an unprimeable number, because it can be changed into a prime (111417421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3943 + ... + 15439.

It is an arithmetic number, because the mean of its divisors is an integer number (15211854).

Almost surely, 2^111417427 is an apocalyptic number.

111417427 is a deficient number, since it is larger than the sum of its proper divisors (10277405).

111417427 is a wasteful number, since it uses less digits than its factorization.

111417427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389.

The product of its digits is 1568, while the sum is 28.

The square root of 111417427 is about 10555.4453719395. The cubic root of 111417427 is about 481.1912353726.

The spelling of 111417427 in words is "one hundred eleven million, four hundred seventeen thousand, four hundred twenty-seven".