111472147 has 2 divisors, whose sum is σ = 111472148. Its totient is φ = 111472146.

The previous prime is 111472139. The next prime is 111472159. The reversal of 111472147 is 741274111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111472147 - 2³ = 111472139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111472177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55736073 + 55736074.

It is an arithmetic number, because the mean of its divisors is an integer number (55736074).

Almost surely, 2^111472147 is an apocalyptic number.

111472147 is a deficient number, since it is larger than the sum of its proper divisors (1).

111472147 is an equidigital number, since it uses as much as digits as its factorization.

111472147 is an evil number, because the sum of its binary digits is even.

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

The square root of 111472147 is about 10558.0370808214. The cubic root of 111472147 is about 481.2699976623.

The spelling of 111472147 in words is "one hundred eleven million, four hundred seventy-two thousand, one hundred forty-seven".