102049461 has 6 divisors (see below), whose sum is σ = 147404790. Its totient is φ = 68032968.

The previous prime is 102049457. The next prime is 102049469. The reversal of 102049461 is 164940201.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 18326961 = 9150^2 + 4281^2 .

It is not a de Polignac number, because 102049461 - 2² = 102049457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102049469) 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 in 5 ways as a sum of consecutive naturals, for example, 5669406 + ... + 5669423.

It is an arithmetic number, because the mean of its divisors is an integer number (24567465).

Almost surely, 2^102049461 is an apocalyptic number.

It is an amenable number.

102049461 is a deficient number, since it is larger than the sum of its proper divisors (45355329).

102049461 is a wasteful number, since it uses less digits than its factorization.

102049461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338835 (or 11338832 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 102049461 is about 10101.9533259662. The cubic root of 102049461 is about 467.3083828706.

Adding to 102049461 its reverse (164940201), we get a palindrome (266989662).

The spelling of 102049461 in words is "one hundred two million, forty-nine thousand, four hundred sixty-one".