111972103 has 8 divisors (see below), whose sum is σ = 116899200. Its totient is φ = 107116128.

The previous prime is 111972097. The next prime is 111972109. The reversal of 111972103 is 301279111.

It is an interprime number because it is at equal distance from previous prime (111972097) and next prime (111972109).

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

It is a cyclic number.

It is not a de Polignac number, because 111972103 - 2⁵ = 111972071 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 (111972109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14551 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (14612400).

Almost surely, 2^111972103 is an apocalyptic number.

111972103 is a deficient number, since it is larger than the sum of its proper divisors (4927097).

111972103 is a wasteful number, since it uses less digits than its factorization.

111972103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35561.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 111972103 is about 10581.6871528126. The cubic root of 111972103 is about 481.9884282387.

The spelling of 111972103 in words is "one hundred eleven million, nine hundred seventy-two thousand, one hundred three".