103002121 has 2 divisors, whose sum is σ = 103002122. Its totient is φ = 103002120.

The previous prime is 103002091. The next prime is 103002169. The reversal of 103002121 is 121200301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61011721 + 41990400 = 7811^2 + 6480^2 .

It is a cyclic number.

It is not a de Polignac number, because 103002121 - 2⁵ = 103002089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103002098 and 103002107.

It is not a weakly prime, because it can be changed into another prime (103002721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51501060 + 51501061.

It is an arithmetic number, because the mean of its divisors is an integer number (51501061).

Almost surely, 2^103002121 is an apocalyptic number.

It is an amenable number.

103002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103002121 is an equidigital number, since it uses as much as digits as its factorization.

103002121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 103002121 is about 10148.9960587242. The cubic root of 103002121 is about 468.7580323127.

Adding to 103002121 its reverse (121200301), we get a palindrome (224202422).

It can be divided in two parts, 10300 and 2121, that added together give a palindrome (12421).

The spelling of 103002121 in words is "one hundred three million, two thousand, one hundred twenty-one".