103044921 has 32 divisors (see below), whose sum is σ = 160727808. Its totient is φ = 57507840.

The previous prime is 103044911. The next prime is 103044937. The reversal of 103044921 is 129440301.

It is not a de Polignac number, because 103044921 - 2¹¹ = 103042873 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103044891 and 103044900.

It is not an unprimeable number, because it can be changed into a prime (103044911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329061 + ... + 329373.

It is an arithmetic number, because the mean of its divisors is an integer number (5022744).

Almost surely, 2^103044921 is an apocalyptic number.

It is an amenable number.

103044921 is a deficient number, since it is larger than the sum of its proper divisors (57682887).

103044921 is a wasteful number, since it uses less digits than its factorization.

103044921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 103044921 is about 10151.1044226724. The cubic root of 103044921 is about 468.8229502819.

It can be divided in two parts, 10304 and 4921, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 103044921 in words is "one hundred three million, forty-four thousand, nine hundred twenty-one".