103147111 has 4 divisors (see below), whose sum is σ = 107631792. Its totient is φ = 98662432.

The previous prime is 103147097. The next prime is 103147117. The reversal of 103147111 is 111741301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103147111 - 2⁷ = 103146983 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 (103147117) 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, 2242306 + ... + 2242351.

It is an arithmetic number, because the mean of its divisors is an integer number (26907948).

Almost surely, 2^103147111 is an apocalyptic number.

103147111 is a deficient number, since it is larger than the sum of its proper divisors (4484681).

103147111 is an equidigital number, since it uses as much as digits as its factorization.

103147111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484680.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 103147111 is about 10156.1366178287. The cubic root of 103147111 is about 468.9778768530.

Adding to 103147111 its reverse (111741301), we get a palindrome (214888412).

The spelling of 103147111 in words is "one hundred three million, one hundred forty-seven thousand, one hundred eleven".