102001087747 has 8 divisors (see below), whose sum is σ = 109923050160. Its totient is φ = 94089943200.

The previous prime is 102001087697. The next prime is 102001087751. The reversal of 102001087747 is 747780100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102001087747 - 2¹⁵ = 102001054979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001087247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684872 + ... + 2722597.

It is an arithmetic number, because the mean of its divisors is an integer number (13740381270).

Almost surely, 2^102001087747 is an apocalyptic number.

102001087747 is a deficient number, since it is larger than the sum of its proper divisors (7921962413).

102001087747 is a wasteful number, since it uses less digits than its factorization.

102001087747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408933.

The product of its (nonzero) digits is 21952, while the sum is 37.

Adding to 102001087747 its reverse (747780100201), we get a palindrome (849781187948).

The spelling of 102001087747 in words is "one hundred two billion, one million, eighty-seven thousand, seven hundred forty-seven".