103619881 has 8 divisors (see below), whose sum is σ = 104338304. Its totient is φ = 102904560.

The previous prime is 103619827. The next prime is 103619903. The reversal of 103619881 is 188916301.

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 103619881 - 2¹⁹ = 103095593 is a prime.

It is a super-3 number, since 3×103619881³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103619881.

It is not an unprimeable number, because it can be changed into a prime (103619381) 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 7 ways as a sum of consecutive naturals, for example, 121051 + ... + 121903.

It is an arithmetic number, because the mean of its divisors is an integer number (13042288).

Almost surely, 2^103619881 is an apocalyptic number.

It is an amenable number.

103619881 is a deficient number, since it is larger than the sum of its proper divisors (718423).

103619881 is an equidigital number, since it uses as much as digits as its factorization.

103619881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 103619881 is about 10179.3850993073. The cubic root of 103619881 is about 469.6932977145.

The spelling of 103619881 in words is "one hundred three million, six hundred nineteen thousand, eight hundred eighty-one".