103205401 has 4 divisors (see below), whose sum is σ = 111144292. Its totient is φ = 95266512.

The previous prime is 103205383. The next prime is 103205413. The reversal of 103205401 is 104502301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7557001 + 95648400 = 2749^2 + 9780^2 .

It is a cyclic number.

It is not a de Polignac number, because 103205401 - 2⁵ = 103205369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103205801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969426 + ... + 3969451.

It is an arithmetic number, because the mean of its divisors is an integer number (27786073).

Almost surely, 2^103205401 is an apocalyptic number.

It is an amenable number.

103205401 is a deficient number, since it is larger than the sum of its proper divisors (7938891).

103205401 is an equidigital number, since it uses as much as digits as its factorization.

103205401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938890.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 103205401 is about 10159.0059060914. The cubic root of 103205401 is about 469.0662023922.

Subtracting from 103205401 its product of nonzero digits (120), we obtain a square (103205281 = 10159²).

Adding to 103205401 its reverse (104502301), we get a palindrome (207707702).

The spelling of 103205401 in words is "one hundred three million, two hundred five thousand, four hundred one".