102411541 has 2 divisors, whose sum is σ = 102411542. Its totient is φ = 102411540.

The previous prime is 102411527. The next prime is 102411559. The reversal of 102411541 is 145114201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78694641 + 23716900 = 8871^2 + 4870^2 .

It is an emirp because it is prime and its reverse (145114201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102411541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102411521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51205770 + 51205771.

It is an arithmetic number, because the mean of its divisors is an integer number (51205771).

Almost surely, 2^102411541 is an apocalyptic number.

It is an amenable number.

102411541 is a deficient number, since it is larger than the sum of its proper divisors (1).

102411541 is an equidigital number, since it uses as much as digits as its factorization.

102411541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 102411541 is about 10119.8587440735. The cubic root of 102411541 is about 467.8604135417.

Adding to 102411541 its reverse (145114201), we get a palindrome (247525742).

The spelling of 102411541 in words is "one hundred two million, four hundred eleven thousand, five hundred forty-one".