103444421 has 8 divisors (see below), whose sum is σ = 107857920. Its totient is φ = 99087408.

The previous prime is 103444399. The next prime is 103444423. The reversal of 103444421 is 124444301.

It is a happy number.

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 103444421 - 2⁶ = 103444357 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 (103444423) 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, 10361 + ... + 17726.

It is an arithmetic number, because the mean of its divisors is an integer number (13482240).

Almost surely, 2^103444421 is an apocalyptic number.

It is an amenable number.

103444421 is a deficient number, since it is larger than the sum of its proper divisors (4413499).

103444421 is a wasteful number, since it uses less digits than its factorization.

103444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 103444421 is about 10170.7630490539. The cubic root of 103444421 is about 469.4280366936.

Adding to 103444421 its reverse (124444301), we get a palindrome (227888722).

The spelling of 103444421 in words is "one hundred three million, four hundred forty-four thousand, four hundred twenty-one".