1012103443 has 8 divisors (see below), whose sum is σ = 1091027168. Its totient is φ = 933332544.

The previous prime is 1012103413. The next prime is 1012103447. The reversal of 1012103443 is 3443012101.

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-1012103443 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 1012103443.

It is not an unprimeable number, because it can be changed into a prime (1012103447) 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, 24255 + ... + 51112.

It is an arithmetic number, because the mean of its divisors is an integer number (136378396).

Almost surely, 2^1012103443 is an apocalyptic number.

1012103443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012103443 is a deficient number, since it is larger than the sum of its proper divisors (78923725).

1012103443 is a wasteful number, since it uses less digits than its factorization.

1012103443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76413.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1012103443 is about 31813.5732510512. The cubic root of 1012103443 is about 1004.0183125367.

Adding to 1012103443 its reverse (3443012101), we get a palindrome (4455115544).

It can be divided in two parts, 101210 and 3443, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 1012103443 in words is "one billion, twelve million, one hundred three thousand, four hundred forty-three".