103409629 has 2 divisors, whose sum is σ = 103409630. Its totient is φ = 103409628.

The previous prime is 103409627. The next prime is 103409651. The reversal of 103409629 is 926904301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 35676729 = 8230^2 + 5973^2 .

It is a cyclic number.

It is not a de Polignac number, because 103409629 - 2¹ = 103409627 is a prime.

Together with 103409627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103409594 and 103409603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103409627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51704814 + 51704815.

It is an arithmetic number, because the mean of its divisors is an integer number (51704815).

Almost surely, 2^103409629 is an apocalyptic number.

It is an amenable number.

103409629 is a deficient number, since it is larger than the sum of its proper divisors (1).

103409629 is an equidigital number, since it uses as much as digits as its factorization.

103409629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 103409629 is about 10169.0525124025. The cubic root of 103409629 is about 469.3754024014.

The spelling of 103409629 in words is "one hundred three million, four hundred nine thousand, six hundred twenty-nine".