102122541 has 6 divisors (see below), whose sum is σ = 147510350. Its totient is φ = 68081688.

The previous prime is 102122483. The next prime is 102122561. The reversal of 102122541 is 145221201.

102122541 is a `hidden beast` number, since 1 + 0 + 2 + 122 + 541 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82355625 + 19766916 = 9075^2 + 4446^2 .

It is a de Polignac number, because none of the positive numbers 2^k-102122541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5673466 + ... + 5673483.

Almost surely, 2^102122541 is an apocalyptic number.

It is an amenable number.

102122541 is a deficient number, since it is larger than the sum of its proper divisors (45387809).

102122541 is a wasteful number, since it uses less digits than its factorization.

102122541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346955 (or 11346952 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102122541 is about 10105.5698008573. The cubic root of 102122541 is about 467.4199063986.

Adding to 102122541 its reverse (145221201), we get a palindrome (247343742).

The spelling of 102122541 in words is "one hundred two million, one hundred twenty-two thousand, five hundred forty-one".