102021063 has 8 divisors (see below), whose sum is σ = 144029808. Its totient is φ = 64013184.

The previous prime is 102021037. The next prime is 102021083. The reversal of 102021063 is 360120201.

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

It is not a de Polignac number, because 102021063 - 2²¹ = 99923911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021083) 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, 1000156 + ... + 1000257.

It is an arithmetic number, because the mean of its divisors is an integer number (18003726).

Almost surely, 2^102021063 is an apocalyptic number.

102021063 is a deficient number, since it is larger than the sum of its proper divisors (42008745).

102021063 is a wasteful number, since it uses less digits than its factorization.

102021063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000433.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102021063 is about 10100.5476584193. The cubic root of 102021063 is about 467.2650318181.

Adding to 102021063 its reverse (360120201), we get a palindrome (462141264).

The spelling of 102021063 in words is "one hundred two million, twenty-one thousand, sixty-three".