103405104 has 120 divisors (see below), whose sum is σ = 319427472. Its totient is φ = 30965760.

The previous prime is 103405073. The next prime is 103405109. The reversal of 103405104 is 401504301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103405109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153312 + ... + 153984.

Almost surely, 2^103405104 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 103405104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159713736).

103405104 is an abundant number, since it is smaller than the sum of its proper divisors (216022368).

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

103405104 is a wasteful number, since it uses less digits than its factorization.

103405104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103405104 is about 10168.8300211971. The cubic root of 103405104 is about 469.3685559897.

Adding to 103405104 its reverse (401504301), we get a palindrome (504909405).

The spelling of 103405104 in words is "one hundred three million, four hundred five thousand, one hundred four".