111480247 has 4 divisors (see below), whose sum is σ = 115076416. Its totient is φ = 107884080.

The previous prime is 111480233. The next prime is 111480251. The reversal of 111480247 is 742084111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111480247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111480227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798038 + ... + 1798099.

It is an arithmetic number, because the mean of its divisors is an integer number (28769104).

Almost surely, 2^111480247 is an apocalyptic number.

111480247 is a deficient number, since it is larger than the sum of its proper divisors (3596169).

111480247 is an equidigital number, since it uses as much as digits as its factorization.

111480247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596168.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 111480247 is about 10558.4206678840. The cubic root of 111480247 is about 481.2816543636.

The spelling of 111480247 in words is "one hundred eleven million, four hundred eighty thousand, two hundred forty-seven".