1405099 has 2 divisors, whose sum is σ = 1405100. Its totient is φ = 1405098.

The previous prime is 1405097. The next prime is 1405109. The reversal of 1405099 is 9905041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1405099 - 2¹ = 1405097 is a prime.

Together with 1405097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1405097) 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, 702549 + 702550.

It is an arithmetic number, because the mean of its divisors is an integer number (702550).

2^1405099 is an apocalyptic number.

1405099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405099 is an equidigital number, since it uses as much as digits as its factorization.

1405099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1405099 is about 1185.3687190069. The cubic root of 1405099 is about 112.0045438208.

The spelling of 1405099 in words is "one million, four hundred five thousand, ninety-nine".