103023121 has 4 divisors (see below), whose sum is σ = 103157172. Its totient is φ = 102889072.

The previous prime is 103023103. The next prime is 103023161. The reversal of 103023121 is 121320301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21752896 + 81270225 = 4664^2 + 9015^2 .

It is a cyclic number.

It is not a de Polignac number, because 103023121 - 2¹¹ = 103021073 is a prime.

It is a super-2 number, since 2×103023121² = 21227526921161282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103023161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65866 + ... + 67411.

It is an arithmetic number, because the mean of its divisors is an integer number (25789293).

Almost surely, 2^103023121 is an apocalyptic number.

It is an amenable number.

103023121 is a deficient number, since it is larger than the sum of its proper divisors (134051).

103023121 is an equidigital number, since it uses as much as digits as its factorization.

103023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134050.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103023121 is about 10150.0305910869. The cubic root of 103023121 is about 468.7898868340.

Adding to 103023121 its reverse (121320301), we get a palindrome (224343422).

The spelling of 103023121 in words is "one hundred three million, twenty-three thousand, one hundred twenty-one".