103103555 has 32 divisors (see below), whose sum is σ = 136909440. Its totient is φ = 74188800.

The previous prime is 103103543. The next prime is 103103569. The reversal of 103103555 is 555301301.

It is a de Polignac number, because none of the positive numbers 2^k-103103555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103103555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372077 + ... + 372353.

It is an arithmetic number, because the mean of its divisors is an integer number (4278420).

Almost surely, 2^103103555 is an apocalyptic number.

103103555 is a deficient number, since it is larger than the sum of its proper divisors (33805885).

103103555 is a wasteful number, since it uses less digits than its factorization.

103103555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 103103555 is about 10153.9920720867. The cubic root of 103103555 is about 468.9118556913.

Adding to 103103555 its reverse (555301301), we get a palindrome (658404856).

The spelling of 103103555 in words is "one hundred three million, one hundred three thousand, five hundred fifty-five".