103507073 has 2 divisors, whose sum is σ = 103507074. Its totient is φ = 103507072.

The previous prime is 103507049. The next prime is 103507081. The reversal of 103507073 is 370705301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99042304 + 4464769 = 9952^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 103507073 - 2⁶ = 103507009 is a prime.

It is a super-2 number, since 2×103507073² = 21427428322054658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103507043) 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 as a sum of consecutive naturals, namely, 51753536 + 51753537.

It is an arithmetic number, because the mean of its divisors is an integer number (51753537).

Almost surely, 2^103507073 is an apocalyptic number.

It is an amenable number.

103507073 is a deficient number, since it is larger than the sum of its proper divisors (1).

103507073 is an equidigital number, since it uses as much as digits as its factorization.

103507073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 103507073 is about 10173.8425877345. The cubic root of 103507073 is about 469.5227886047.

The spelling of 103507073 in words is "one hundred three million, five hundred seven thousand, seventy-three".