103306621 has 8 divisors (see below), whose sum is σ = 112919904. Its totient is φ = 93730320.

The previous prime is 103306579. The next prime is 103306669. The reversal of 103306621 is 126603301.

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 103306621 - 2⁷ = 103306493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103306592 and 103306601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103306121) 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, 3226 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (14114988).

Almost surely, 2^103306621 is an apocalyptic number.

103306621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103306621 is a deficient number, since it is larger than the sum of its proper divisors (9613283).

103306621 is a wasteful number, since it uses less digits than its factorization.

103306621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 103306621 is about 10163.9864718525. The cubic root of 103306621 is about 469.2194998203.

Adding to 103306621 its reverse (126603301), we get a palindrome (229909922).

The spelling of 103306621 in words is "one hundred three million, three hundred six thousand, six hundred twenty-one".