1185719053 has 2 divisors, whose sum is σ = 1185719054. Its totient is φ = 1185719052.

The previous prime is 1185719011. The next prime is 1185719081. The reversal of 1185719053 is 3509175811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1154504484 + 31214569 = 33978^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1185719053 - 2¹³ = 1185710861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1185718997 and 1185719015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1185719153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592859526 + 592859527.

It is an arithmetic number, because the mean of its divisors is an integer number (592859527).

Almost surely, 2^1185719053 is an apocalyptic number.

It is an amenable number.

1185719053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185719053 is an equidigital number, since it uses as much as digits as its factorization.

1185719053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 40.

The square root of 1185719053 is about 34434.2714893172. The cubic root of 1185719053 is about 1058.4262433130.

The spelling of 1185719053 in words is "one billion, one hundred eighty-five million, seven hundred nineteen thousand, fifty-three".