103366121 has 12 divisors (see below), whose sum is σ = 110520900. Its totient is φ = 96556320.

The previous prime is 103366111. The next prime is 103366129. The reversal of 103366121 is 121663301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40386025 + 62980096 = 6355^2 + 7936^2 .

It is not a de Polignac number, because 103366121 - 2⁶ = 103366057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103366129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26015 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (9210075).

Almost surely, 2^103366121 is an apocalyptic number.

It is an amenable number.

103366121 is a deficient number, since it is larger than the sum of its proper divisors (7154779).

103366121 is an equidigital number, since it uses as much as digits as its factorization.

103366121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103366121 is about 10166.9130516593. The cubic root of 103366121 is about 469.3095656900.

The spelling of 103366121 in words is "one hundred three million, three hundred sixty-six thousand, one hundred twenty-one".