1012123103 has 8 divisors (see below), whose sum is σ = 1065715200. Its totient is φ = 958563288.

The previous prime is 1012123081. The next prime is 1012123109. The reversal of 1012123103 is 3013212101.

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 1012123103 - 2¹⁶ = 1012057567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123109) 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 7 ways as a sum of consecutive naturals, for example, 82400 + ... + 93882.

It is an arithmetic number, because the mean of its divisors is an integer number (133214400).

Almost surely, 2^1012123103 is an apocalyptic number.

1012123103 is a deficient number, since it is larger than the sum of its proper divisors (53592097).

1012123103 is a wasteful number, since it uses less digits than its factorization.

1012123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16141.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012123103 is about 31813.8822371618. The cubic root of 1012123103 is about 1004.0248134770.

Adding to 1012123103 its reverse (3013212101), we get a palindrome (4025335204).

The spelling of 1012123103 in words is "one billion, twelve million, one hundred twenty-three thousand, one hundred three".