109048321 has 2 divisors, whose sum is σ = 109048322. Its totient is φ = 109048320.

The previous prime is 109048307. The next prime is 109048327. The reversal of 109048321 is 123840901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107329600 + 1718721 = 10360^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 109048321 - 2⁷ = 109048193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109048321.

It is not a weakly prime, because it can be changed into another prime (109048327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54524160 + 54524161.

It is an arithmetic number, because the mean of its divisors is an integer number (54524161).

Almost surely, 2^109048321 is an apocalyptic number.

It is an amenable number.

109048321 is a deficient number, since it is larger than the sum of its proper divisors (1).

109048321 is an equidigital number, since it uses as much as digits as its factorization.

109048321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 109048321 is about 10442.6204086905. The cubic root of 109048321 is about 477.7561955858.

The spelling of 109048321 in words is "one hundred nine million, forty-eight thousand, three hundred twenty-one".