119019209 has 2 divisors, whose sum is σ = 119019210. Its totient is φ = 119019208.

The previous prime is 119019191. The next prime is 119019221. The reversal of 119019209 is 902910911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 644809 = 10880^2 + 803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119019209 is a prime.

It is a super-2 number, since 2×119019209² = 28331144221971362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (119019259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59509604 + 59509605.

It is an arithmetic number, because the mean of its divisors is an integer number (59509605).

Almost surely, 2^119019209 is an apocalyptic number.

It is an amenable number.

119019209 is a deficient number, since it is larger than the sum of its proper divisors (1).

119019209 is an equidigital number, since it uses as much as digits as its factorization.

119019209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 119019209 is about 10909.5925221797. The cubic root of 119019209 is about 491.8949378525.

It can be divided in two parts, 11 and 9019209, that multiplied together give a palindrome (99211299).

The spelling of 119019209 in words is "one hundred nineteen million, nineteen thousand, two hundred nine".