103824561 has 8 divisors (see below), whose sum is σ = 139726944. Its totient is φ = 68569280.

The previous prime is 103824557. The next prime is 103824577. The reversal of 103824561 is 165428301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103824561 - 2² = 103824557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103824361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161400 + ... + 162041.

It is an arithmetic number, because the mean of its divisors is an integer number (17465868).

Almost surely, 2^103824561 is an apocalyptic number.

It is an amenable number.

103824561 is a deficient number, since it is larger than the sum of its proper divisors (35902383).

103824561 is a wasteful number, since it uses less digits than its factorization.

103824561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323551.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 103824561 is about 10189.4337919239. The cubic root of 103824561 is about 470.0023555035.

The spelling of 103824561 in words is "one hundred three million, eight hundred twenty-four thousand, five hundred sixty-one".