1409019 has 4 divisors (see below), whose sum is σ = 1878696. Its totient is φ = 939344.

The previous prime is 1409017. The next prime is 1409027. The reversal of 1409019 is 9109041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1409019 - 2¹ = 1409017 is a prime.

It is a super-2 number, since 2×1409019² = 3970669084722, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409019.

It is not an unprimeable number, because it can be changed into a prime (1409017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234834 + ... + 234839.

It is an arithmetic number, because the mean of its divisors is an integer number (469674).

2^1409019 is an apocalyptic number.

1409019 is a deficient number, since it is larger than the sum of its proper divisors (469677).

1409019 is an equidigital number, since it uses as much as digits as its factorization.

1409019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469676.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1409019 is about 1187.0210613127. The cubic root of 1409019 is about 112.1086053242.

The spelling of 1409019 in words is "one million, four hundred nine thousand, nineteen".