103404181 has 4 divisors (see below), whose sum is σ = 103924000. Its totient is φ = 102884364.

The previous prime is 103404157. The next prime is 103404209. The reversal of 103404181 is 181404301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103404181 - 2⁹ = 103403669 is a prime.

It is a super-2 number, since 2×103404181² = 21384849296561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259611 + ... + 260008.

It is an arithmetic number, because the mean of its divisors is an integer number (25981000).

Almost surely, 2^103404181 is an apocalyptic number.

It is an amenable number.

103404181 is a deficient number, since it is larger than the sum of its proper divisors (519819).

103404181 is an equidigital number, since it uses as much as digits as its factorization.

103404181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519818.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 103404181 is about 10168.7846373104. The cubic root of 103404181 is about 469.3671594485.

Adding to 103404181 its reverse (181404301), we get a palindrome (284808482).

The spelling of 103404181 in words is "one hundred three million, four hundred four thousand, one hundred eighty-one".