1020012103 has 8 divisors (see below), whose sum is σ = 1113052176. Its totient is φ = 927024000.

The previous prime is 1020012013. The next prime is 1020012107. The reversal of 1020012103 is 3012100201.

1020012103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020012103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020012107) 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, 36153 + ... + 57853.

It is an arithmetic number, because the mean of its divisors is an integer number (139131522).

Almost surely, 2^1020012103 is an apocalyptic number.

1020012103 is a deficient number, since it is larger than the sum of its proper divisors (93040073).

1020012103 is a wasteful number, since it uses less digits than its factorization.

1020012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25985.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020012103 is about 31937.6283245954. The cubic root of 1020012103 is about 1006.6266909675.

Adding to 1020012103 its reverse (3012100201), we get a palindrome (4032112304).

The spelling of 1020012103 in words is "one billion, twenty million, twelve thousand, one hundred three".