1199623 has 2 divisors, whose sum is σ = 1199624. Its totient is φ = 1199622.

The previous prime is 1199621. The next prime is 1199629. The reversal of 1199623 is 3269911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199623 - 2¹ = 1199621 is a prime.

Together with 1199621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599811 + 599812.

It is an arithmetic number, because the mean of its divisors is an integer number (599812).

2^1199623 is an apocalyptic number.

1199623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199623 is an equidigital number, since it uses as much as digits as its factorization.

1199623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 1199623 is about 1095.2730253229. The cubic root of 1199623 is about 106.2547273560.

The spelling of 1199623 in words is "one million, one hundred ninety-nine thousand, six hundred twenty-three".