119661749 has 2 divisors, whose sum is σ = 119661750. Its totient is φ = 119661748.

The previous prime is 119661719. The next prime is 119661761. The reversal of 119661749 is 947166911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 41692849 = 8830^2 + 6457^2 .

It is an emirp because it is prime and its reverse (947166911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119661749 - 2¹² = 119657653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119661719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59830874 + 59830875.

It is an arithmetic number, because the mean of its divisors is an integer number (59830875).

Almost surely, 2^119661749 is an apocalyptic number.

It is an amenable number.

119661749 is a deficient number, since it is larger than the sum of its proper divisors (1).

119661749 is an equidigital number, since it uses as much as digits as its factorization.

119661749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 44.

The square root of 119661749 is about 10939.0012798244. The cubic root of 119661749 is about 492.7785350152.

The spelling of 119661749 in words is "one hundred nineteen million, six hundred sixty-one thousand, seven hundred forty-nine".