102334021 has 2 divisors, whose sum is σ = 102334022. Its totient is φ = 102334020.

The previous prime is 102333989. The next prime is 102334079. The reversal of 102334021 is 120433201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 4601025 = 9886^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 102334021 - 2⁵ = 102333989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102333986 and 102334004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102335021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51167010 + 51167011.

It is an arithmetic number, because the mean of its divisors is an integer number (51167011).

Almost surely, 2^102334021 is an apocalyptic number.

It is an amenable number.

102334021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102334021 is an equidigital number, since it uses as much as digits as its factorization.

102334021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102334021 is about 10116.0279260192. The cubic root of 102334021 is about 467.7423353971.

Adding to 102334021 its reverse (120433201), we get a palindrome (222767222).

The spelling of 102334021 in words is "one hundred two million, three hundred thirty-four thousand, twenty-one".