1020100103 has 8 divisors (see below), whose sum is σ = 1115777280. Its totient is φ = 924913080.
The previous prime is 1020100099. The next prime is 1020100171. The reversal of 1020100103 is 3010010201.
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 1020100103 - 22 = 1020100099 is a prime.
It is a super-2 number, since 2×10201001032 = 2081208440281221218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020100183) 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, 118175 + ... + 126512.
It is an arithmetic number, because the mean of its divisors is an integer number (139472160).
Almost surely, 21020100103 is an apocalyptic number.
1020100103 is a deficient number, since it is larger than the sum of its proper divisors (95677177).
1020100103 is a wasteful number, since it uses less digits than its factorization.
1020100103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245077.
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 1020100103 is about 31939.0059801491. The cubic root of 1020100103 is about 1006.6556385329.
Adding to 1020100103 its reverse (3010010201), we get a palindrome (4030110304).
The spelling of 1020100103 in words is "one billion, twenty million, one hundred thousand, one hundred three".
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