109240403 has 2 divisors, whose sum is σ = 109240404. Its totient is φ = 109240402.

The previous prime is 109240381. The next prime is 109240421. The reversal of 109240403 is 304042901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109240403 - 2¹⁴ = 109224019 is a prime.

It is not a weakly prime, because it can be changed into another prime (109240433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54620201 + 54620202.

It is an arithmetic number, because the mean of its divisors is an integer number (54620202).

Almost surely, 2^109240403 is an apocalyptic number.

109240403 is a deficient number, since it is larger than the sum of its proper divisors (1).

109240403 is an equidigital number, since it uses as much as digits as its factorization.

109240403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 109240403 is about 10451.8133833321. The cubic root of 109240403 is about 478.0365438935.

The spelling of 109240403 in words is "one hundred nine million, two hundred forty thousand, four hundred three".