119798557 has 2 divisors, whose sum is σ = 119798558. Its totient is φ = 119798556.

The previous prime is 119798537. The next prime is 119798561. The reversal of 119798557 is 755897911.

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., 78659161 + 41139396 = 8869^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 119798557 - 2¹⁹ = 119274269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119798527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59899278 + 59899279.

It is an arithmetic number, because the mean of its divisors is an integer number (59899279).

Almost surely, 2^119798557 is an apocalyptic number.

It is an amenable number.

119798557 is a deficient number, since it is larger than the sum of its proper divisors (1).

119798557 is an equidigital number, since it uses as much as digits as its factorization.

119798557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 52.

The square root of 119798557 is about 10945.2527152186. The cubic root of 119798557 is about 492.9662596381.

The spelling of 119798557 in words is "one hundred nineteen million, seven hundred ninety-eight thousand, five hundred fifty-seven".