103107621 has 8 divisors (see below), whose sum is σ = 137748960. Its totient is φ = 68602352.

The previous prime is 103107607. The next prime is 103107647. The reversal of 103107621 is 126701301.

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 103107621 - 2¹⁹ = 102583333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103107821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32235 + ... + 35288.

It is an arithmetic number, because the mean of its divisors is an integer number (17218620).

Almost surely, 2^103107621 is an apocalyptic number.

It is an amenable number.

103107621 is a deficient number, since it is larger than the sum of its proper divisors (34641339).

103107621 is an equidigital number, since it uses as much as digits as its factorization.

103107621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68035.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 103107621 is about 10154.1922869325. The cubic root of 103107621 is about 468.9180196253.

Adding to 103107621 its reverse (126701301), we get a palindrome (229808922).

The spelling of 103107621 in words is "one hundred three million, one hundred seven thousand, six hundred twenty-one".