1119394217 has 2 divisors, whose sum is σ = 1119394218. Its totient is φ = 1119394216.

The previous prime is 1119394193. The next prime is 1119394231. The reversal of 1119394217 is 7124939111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591267856 + 528126361 = 24316^2 + 22981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119394217 - 2¹² = 1119390121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1119393217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559697108 + 559697109.

It is an arithmetic number, because the mean of its divisors is an integer number (559697109).

Almost surely, 2^1119394217 is an apocalyptic number.

It is an amenable number.

1119394217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119394217 is an equidigital number, since it uses as much as digits as its factorization.

1119394217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 1119394217 is about 33457.3492225550. The cubic root of 1119394217 is about 1038.3115529929.

The spelling of 1119394217 in words is "one billion, one hundred nineteen million, three hundred ninety-four thousand, two hundred seventeen".