103420685 has 8 divisors (see below), whose sum is σ = 124791576. Its totient is φ = 82278720.

The previous prime is 103420643. The next prime is 103420693. The reversal of 103420685 is 586024301.

It can be written as a sum of positive squares in 4 ways, for example, as 316969 + 103103716 = 563^2 + 10154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103420685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 56234 + ... + 58043.

It is an arithmetic number, because the mean of its divisors is an integer number (15598947).

Almost surely, 2^103420685 is an apocalyptic number.

It is an amenable number.

103420685 is a deficient number, since it is larger than the sum of its proper divisors (21370891).

103420685 is a wasteful number, since it uses less digits than its factorization.

103420685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114463.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 103420685 is about 10169.5961080074. The cubic root of 103420685 is about 469.3921295011.

Adding to 103420685 its reverse (586024301), we get a palindrome (689444986).

The spelling of 103420685 in words is "one hundred three million, four hundred twenty thousand, six hundred eighty-five".