102241541 has 2 divisors, whose sum is σ = 102241542. Its totient is φ = 102241540.

The previous prime is 102241523. The next prime is 102241543. The reversal of 102241541 is 145142201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 17048641 = 9230^2 + 4129^2 .

It is an emirp because it is prime and its reverse (145142201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102241541 is a prime.

It is a super-3 number, since 3×102241541³ (a number of 25 digits) contains 333 as substring.

Together with 102241543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102241543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51120770 + 51120771.

It is an arithmetic number, because the mean of its divisors is an integer number (51120771).

Almost surely, 2^102241541 is an apocalyptic number.

It is an amenable number.

102241541 is a deficient number, since it is larger than the sum of its proper divisors (1).

102241541 is an equidigital number, since it uses as much as digits as its factorization.

102241541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 102241541 is about 10111.4559287968. The cubic root of 102241541 is about 467.6013922133.

Adding to 102241541 its reverse (145142201), we get a palindrome (247383742).

The spelling of 102241541 in words is "one hundred two million, two hundred forty-one thousand, five hundred forty-one".