103043556 has 96 divisors (see below), whose sum is σ = 333096960. Its totient is φ = 26762400.

The previous prime is 103043513. The next prime is 103043561. The reversal of 103043556 is 655340301.

103043556 is a `hidden beast` number, since 1 + 0 + 304 + 355 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2121 + ... + 14511.

It is an arithmetic number, because the mean of its divisors is an integer number (3469760).

Almost surely, 2^103043556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103043556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166548480).

103043556 is an abundant number, since it is smaller than the sum of its proper divisors (230053404).

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

103043556 is a wasteful number, since it uses less digits than its factorization.

103043556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422 (or 12414 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 103043556 is about 10151.0371883862. The cubic root of 103043556 is about 468.8208801616.

Adding to 103043556 its reverse (655340301), we get a palindrome (758383857).

The spelling of 103043556 in words is "one hundred three million, forty-three thousand, five hundred fifty-six".