1112779 has 2 divisors, whose sum is σ = 1112780. Its totient is φ = 1112778.

The previous prime is 1112777. The next prime is 1112789. The reversal of 1112779 is 9772111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112779 - 2¹ = 1112777 is a prime.

Together with 1112777, it forms a pair of twin primes.

1112779 is a lucky number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1112777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556389 + 556390.

It is an arithmetic number, because the mean of its divisors is an integer number (556390).

2^1112779 is an apocalyptic number.

1112779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112779 is an equidigital number, since it uses as much as digits as its factorization.

1112779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 28.

The square root of 1112779 is about 1054.8834058795. The cubic root of 1112779 is about 103.6262161409.

It can be divided in two parts, 1112 and 779, that added together give a triangular number (1891 = T₆₁).

The spelling of 1112779 in words is "one million, one hundred twelve thousand, seven hundred seventy-nine".