1755120361 has 2 divisors, whose sum is σ = 1755120362. Its totient is φ = 1755120360.

The previous prime is 1755120343. The next prime is 1755120373. The reversal of 1755120361 is 1630215571.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1454964736 + 300155625 = 38144^2 + 17325^2 .

It is an emirp because it is prime and its reverse (1630215571) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1755120361 - 2¹³ = 1755112169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1755120391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877560180 + 877560181.

It is an arithmetic number, because the mean of its divisors is an integer number (877560181).

Almost surely, 2^1755120361 is an apocalyptic number.

It is an amenable number.

1755120361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1755120361 is an equidigital number, since it uses as much as digits as its factorization.

1755120361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1755120361 is about 41894.1566450502. The cubic root of 1755120361 is about 1206.2453017938.

The spelling of 1755120361 in words is "one billion, seven hundred fifty-five million, one hundred twenty thousand, three hundred sixty-one".