102004541 has 4 divisors (see below), whose sum is σ = 102568284. Its totient is φ = 101440800.

The previous prime is 102004537. The next prime is 102004543. The reversal of 102004541 is 145400201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145400201 = 17 ⋅8552953.

It can be written as a sum of positive squares in 2 ways, for example, as 10725625 + 91278916 = 3275^2 + 9554^2 .

It is a cyclic number.

It is not a de Polignac number, because 102004541 - 2² = 102004537 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 (102004543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281600 + ... + 281961.

It is an arithmetic number, because the mean of its divisors is an integer number (25642071).

Almost surely, 2^102004541 is an apocalyptic number.

It is an amenable number.

102004541 is a deficient number, since it is larger than the sum of its proper divisors (563743).

102004541 is an equidigital number, since it uses as much as digits as its factorization.

102004541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563742.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102004541 is about 10099.7297488596. The cubic root of 102004541 is about 467.2398064074.

Adding to 102004541 its reverse (145400201), we get a palindrome (247404742).

It can be divided in two parts, 10200 and 4541, that added together give a palindrome (14741).

The spelling of 102004541 in words is "one hundred two million, four thousand, five hundred forty-one".