1119779 has 2 divisors, whose sum is σ = 1119780. Its totient is φ = 1119778.

The previous prime is 1119737. The next prime is 1119793. The reversal of 1119779 is 9779111.

It is a happy number.

1119779 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1119779 - 2⁸ = 1119523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1119799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559889 + 559890.

It is an arithmetic number, because the mean of its divisors is an integer number (559890).

2^1119779 is an apocalyptic number.

1119779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119779 is an equidigital number, since it uses as much as digits as its factorization.

1119779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969, while the sum is 35.

The square root of 1119779 is about 1058.1961065889. The cubic root of 1119779 is about 103.8430509853.

The spelling of 1119779 in words is "one million, one hundred nineteen thousand, seven hundred seventy-nine".