103220407 has 8 divisors (see below), whose sum is σ = 108782000. Its totient is φ = 97671744.

The previous prime is 103220387. The next prime is 103220419. The reversal of 103220407 is 704022301.

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 103220407 - 2¹¹ = 103218359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220437) 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, 16219 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (13597750).

Almost surely, 2^103220407 is an apocalyptic number.

103220407 is a deficient number, since it is larger than the sum of its proper divisors (5561593).

103220407 is an equidigital number, since it uses as much as digits as its factorization.

103220407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 103220407 is about 10159.7444357622. The cubic root of 103220407 is about 469.0889352668.

Adding to 103220407 its reverse (704022301), we get a palindrome (807242708).

The spelling of 103220407 in words is "one hundred three million, two hundred twenty thousand, four hundred seven".