102104187447 has 16 divisors (see below), whose sum is σ = 137127362400. Its totient is φ = 67575734400.

The previous prime is 102104187413. The next prime is 102104187469. The reversal of 102104187447 is 744781401201.

It is not a de Polignac number, because 102104187447 - 2⁷ = 102104187319 is a prime.

It is a super-2 number, since 2×102104187447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102104187547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770497 + ... + 893237.

It is an arithmetic number, because the mean of its divisors is an integer number (8570460150).

Almost surely, 2^102104187447 is an apocalyptic number.

102104187447 is a deficient number, since it is larger than the sum of its proper divisors (35023174953).

102104187447 is a wasteful number, since it uses less digits than its factorization.

102104187447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124754.

The product of its (nonzero) digits is 50176, while the sum is 39.

Adding to 102104187447 its reverse (744781401201), we get a palindrome (846885588648).

The spelling of 102104187447 in words is "one hundred two billion, one hundred four million, one hundred eighty-seven thousand, four hundred forty-seven".