103781112 has 32 divisors (see below), whose sum is σ = 259964880. Its totient is φ = 34525440.

The previous prime is 103781099. The next prime is 103781113. The reversal of 103781112 is 211187301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103781113) 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, 8988 + ... + 16980.

Almost surely, 2^103781112 is an apocalyptic number.

103781112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103781112 is an abundant number, since it is smaller than the sum of its proper divisors (156183768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103781112 is a wasteful number, since it uses less digits than its factorization.

103781112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543 (or 8539 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 103781112 is about 10187.3015072687. The cubic root of 103781112 is about 469.9367834094.

The spelling of 103781112 in words is "one hundred three million, seven hundred eighty-one thousand, one hundred twelve".