103121275 has 12 divisors (see below), whose sum is σ = 129413592. Its totient is φ = 81501440.

The previous prime is 103121237. The next prime is 103121287. The reversal of 103121275 is 572121301.

It is a happy number.

It is not a de Polignac number, because 103121275 - 2⁹ = 103120763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 22774 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (10784466).

Almost surely, 2^103121275 is an apocalyptic number.

103121275 is a deficient number, since it is larger than the sum of its proper divisors (26292317).

103121275 is an equidigital number, since it uses as much as digits as its factorization.

103121275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49790 (or 49785 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 103121275 is about 10154.8645978171. The cubic root of 103121275 is about 468.9387174941.

Adding to 103121275 its reverse (572121301), we get a palindrome (675242576).

The spelling of 103121275 in words is "one hundred three million, one hundred twenty-one thousand, two hundred seventy-five".