103604121 has 36 divisors (see below), whose sum is σ = 160113408. Its totient is φ = 64521072.

The previous prime is 103604119. The next prime is 103604129. The reversal of 103604121 is 121406301.

It is a happy number.

It is not a de Polignac number, because 103604121 - 2¹ = 103604119 is a prime.

It is a super-3 number, since 3×103604121³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103604094 and 103604103.

It is not an unprimeable number, because it can be changed into a prime (103604129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 223536 + ... + 223998.

Almost surely, 2^103604121 is an apocalyptic number.

It is an amenable number.

103604121 is a deficient number, since it is larger than the sum of its proper divisors (56509287).

103604121 is a wasteful number, since it uses less digits than its factorization.

103604121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103604121 is about 10178.6109563142. The cubic root of 103604121 is about 469.6694839392.

The spelling of 103604121 in words is "one hundred three million, six hundred four thousand, one hundred twenty-one".