103220401 has 4 divisors (see below), whose sum is σ = 104761072. Its totient is φ = 101679732.

The previous prime is 103220387. The next prime is 103220419. The reversal of 103220401 is 104022301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103220401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103220431) 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 3 ways as a sum of consecutive naturals, for example, 770235 + ... + 770368.

It is an arithmetic number, because the mean of its divisors is an integer number (26190268).

Almost surely, 2^103220401 is an apocalyptic number.

It is an amenable number.

103220401 is a deficient number, since it is larger than the sum of its proper divisors (1540671).

103220401 is an equidigital number, since it uses as much as digits as its factorization.

103220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540670.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 103220401 is about 10159.7441404791. The cubic root of 103220401 is about 469.0889261777.

Adding to 103220401 its reverse (104022301), we get a palindrome (207242702).

The spelling of 103220401 in words is "one hundred three million, two hundred twenty thousand, four hundred one".