103811424 has 24 divisors (see below), whose sum is σ = 272505240. Its totient is φ = 34603776.

The previous prime is 103811371. The next prime is 103811431. The reversal of 103811424 is 424118301.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 103811394 and 103811403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540589 + ... + 540780.

It is an arithmetic number, because the mean of its divisors is an integer number (11354385).

Almost surely, 2^103811424 is an apocalyptic number.

It is an amenable number.

103811424 is an abundant number, since it is smaller than the sum of its proper divisors (168693816).

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

103811424 is a wasteful number, since it uses less digits than its factorization.

103811424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081382 (or 1081374 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 103811424 is about 10188.7891331600. The cubic root of 103811424 is about 469.9825314165.

Adding to 103811424 its reverse (424118301), we get a palindrome (527929725).

The spelling of 103811424 in words is "one hundred three million, eight hundred eleven thousand, four hundred twenty-four".