103561429 has 2 divisors, whose sum is σ = 103561430. Its totient is φ = 103561428.

The previous prime is 103561397. The next prime is 103561441. The reversal of 103561429 is 924165301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69338929 + 34222500 = 8327^2 + 5850^2 .

It is a cyclic number.

It is not a de Polignac number, because 103561429 - 2⁵ = 103561397 is a prime.

It is a super-3 number, since 3×103561429³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103561429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103561459) 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 as a sum of consecutive naturals, namely, 51780714 + 51780715.

It is an arithmetic number, because the mean of its divisors is an integer number (51780715).

Almost surely, 2^103561429 is an apocalyptic number.

It is an amenable number.

103561429 is a deficient number, since it is larger than the sum of its proper divisors (1).

103561429 is an equidigital number, since it uses as much as digits as its factorization.

103561429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 103561429 is about 10176.5135974950. The cubic root of 103561429 is about 469.6049630681.

The spelling of 103561429 in words is "one hundred three million, five hundred sixty-one thousand, four hundred twenty-nine".