119787949 has 2 divisors, whose sum is σ = 119787950. Its totient is φ = 119787948.

The previous prime is 119787947. The next prime is 119787953. The reversal of 119787949 is 949787911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119202724 + 585225 = 10918^2 + 765^2 .

It is an emirp because it is prime and its reverse (949787911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119787949 - 2¹ = 119787947 is a prime.

Together with 119787947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 119787949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119787947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59893974 + 59893975.

It is an arithmetic number, because the mean of its divisors is an integer number (59893975).

Almost surely, 2^119787949 is an apocalyptic number.

It is an amenable number.

119787949 is a deficient number, since it is larger than the sum of its proper divisors (1).

119787949 is an equidigital number, since it uses as much as digits as its factorization.

119787949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 55.

The square root of 119787949 is about 10944.7681108373. The cubic root of 119787949 is about 492.9517087103.

The spelling of 119787949 in words is "one hundred nineteen million, seven hundred eighty-seven thousand, nine hundred forty-nine".