1119661273 has 2 divisors, whose sum is σ = 1119661274. Its totient is φ = 1119661272.

The previous prime is 1119661247. The next prime is 1119661297. The reversal of 1119661273 is 3721669111.

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., 748405449 + 371255824 = 27357^2 + 19268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119661273 - 2¹³ = 1119653081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1119661223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559830636 + 559830637.

It is an arithmetic number, because the mean of its divisors is an integer number (559830637).

Almost surely, 2^1119661273 is an apocalyptic number.

It is an amenable number.

1119661273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119661273 is an equidigital number, since it uses as much as digits as its factorization.

1119661273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 1119661273 is about 33461.3399761576. The cubic root of 1119661273 is about 1038.3941170791.

The spelling of 1119661273 in words is "one billion, one hundred nineteen million, six hundred sixty-one thousand, two hundred seventy-three".