103112444 has 12 divisors (see below), whose sum is σ = 180600000. Its totient is φ = 51512448.

The previous prime is 103112441. The next prime is 103112467. The reversal of 103112444 is 444211301.

It is a super-2 number, since 2×103112444² = 21264352215306272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5324 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (15050000).

Almost surely, 2^103112444 is an apocalyptic number.

It is an amenable number.

103112444 is a deficient number, since it is larger than the sum of its proper divisors (77487556).

103112444 is a wasteful number, since it uses less digits than its factorization.

103112444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892 (or 21890 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 103112444 is about 10154.4297722718. The cubic root of 103112444 is about 468.9253309386.

Adding to 103112444 its reverse (444211301), we get a palindrome (547323745).

The spelling of 103112444 in words is "one hundred three million, one hundred twelve thousand, four hundred forty-four".