1119623 has 2 divisors, whose sum is σ = 1119624. Its totient is φ = 1119622.

The previous prime is 1119611. The next prime is 1119649. The reversal of 1119623 is 3269111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3269111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1119623 - 2⁴ = 1119607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559811 + 559812.

It is an arithmetic number, because the mean of its divisors is an integer number (559812).

2^1119623 is an apocalyptic number.

1119623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119623 is an equidigital number, since it uses as much as digits as its factorization.

1119623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

The square root of 1119623 is about 1058.1223936766. The cubic root of 1119623 is about 103.8382285253.

The spelling of 1119623 in words is "one million, one hundred nineteen thousand, six hundred twenty-three".