102804061 has 4 divisors (see below), whose sum is σ = 102824352. Its totient is φ = 102783772.

The previous prime is 102804059. The next prime is 102804067. The reversal of 102804061 is 160408201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102804061 - 2¹ = 102804059 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 (102804067) 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, 4560 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (25706088).

Almost surely, 2^102804061 is an apocalyptic number.

It is an amenable number.

102804061 is a deficient number, since it is larger than the sum of its proper divisors (20291).

102804061 is an equidigital number, since it uses as much as digits as its factorization.

102804061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 102804061 is about 10139.2337481685. The cubic root of 102804061 is about 468.4573854699.

It can be divided in two parts, 10280 and 4061, that added together give a palindrome (14341).

The spelling of 102804061 in words is "one hundred two million, eight hundred four thousand, sixty-one".