102047564 has 12 divisors (see below), whose sum is σ = 179296488. Its totient is φ = 50820000.

The previous prime is 102047563. The next prime is 102047593. The reversal of 102047564 is 465740201.

It is not an unprimeable number, because it can be changed into a prime (102047563) 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 3 ways as a sum of consecutive naturals, for example, 49817 + ... + 51824.

It is an arithmetic number, because the mean of its divisors is an integer number (14941374).

Almost surely, 2^102047564 is an apocalyptic number.

It is an amenable number.

102047564 is a deficient number, since it is larger than the sum of its proper divisors (77248924).

102047564 is a wasteful number, since it uses less digits than its factorization.

102047564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101896 (or 101894 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 102047564 is about 10101.8594327975. The cubic root of 102047564 is about 467.3054872502.

Adding to 102047564 its reverse (465740201), we get a palindrome (567787765).

It can be divided in two parts, 1020 and 47564, that added together give a palindrome (48584).

The spelling of 102047564 in words is "one hundred two million, forty-seven thousand, five hundred sixty-four".