103340021 has 8 divisors (see below), whose sum is σ = 107616000. Its totient is φ = 99111600.

The previous prime is 103340009. The next prime is 103340033. The reversal of 103340021 is 120043301.

It is an interprime number because it is at equal distance from previous prime (103340009) and next prime (103340033).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103340021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103339978 and 103340005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103340521) 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, 7421 + ... + 16178.

It is an arithmetic number, because the mean of its divisors is an integer number (13452000).

Almost surely, 2^103340021 is an apocalyptic number.

It is an amenable number.

103340021 is a deficient number, since it is larger than the sum of its proper divisors (4275979).

103340021 is a wasteful number, since it uses less digits than its factorization.

103340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23779.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103340021 is about 10165.6293951727. The cubic root of 103340021 is about 469.2700620608.

Adding to 103340021 its reverse (120043301), we get a palindrome (223383322).

The spelling of 103340021 in words is "one hundred three million, three hundred forty thousand, twenty-one".