Search a number
1199899 is a prime number
BaseRepresentation
bin100100100111100011011
32020221221201
410210330123
5301344044
641415031
713125151
oct4447433
92227851
101199899
1174a558
1249a477
133301cc
142333d1
1518a7d4
hex124f1b

1199899 has 2 divisors, whose sum is σ = 1199900. Its totient is φ = 1199898.

The previous prime is 1199893. The next prime is 1199909. The reversal of 1199899 is 9989911.

Subtracting from 1199899 its product of digits (52488), we obtain a palindrome (1147411).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199899 - 219 = 675611 is a prime.

It is a super-2 number, since 2×11998992 = 2879515220402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1199893) 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, 599949 + 599950.

It is an arithmetic number, because the mean of its divisors is an integer number (599950).

21199899 is an apocalyptic number.

1199899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199899 is an equidigital number, since it uses as much as digits as its factorization.

1199899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 46.

The square root of 1199899 is about 1095.3990140583. The cubic root of 1199899 is about 106.2628754870.

The spelling of 1199899 in words is "one million, one hundred ninety-nine thousand, eight hundred ninety-nine".