1113719 has 2 divisors, whose sum is σ = 1113720. Its totient is φ = 1113718.

The previous prime is 1113713. The next prime is 1113751. The reversal of 1113719 is 9173111.

It is a weak prime.

It is an emirp because it is prime and its reverse (9173111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113719 - 2⁴ = 1113703 is a prime.

It is a super-2 number, since 2×1113719² = 2480740021922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113694 and 1113703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556859 + 556860.

It is an arithmetic number, because the mean of its divisors is an integer number (556860).

2^1113719 is an apocalyptic number.

1113719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113719 is an equidigital number, since it uses as much as digits as its factorization.

1113719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189, while the sum is 23.

The square root of 1113719 is about 1055.3288586976. The cubic root of 1113719 is about 103.6553867213.

The spelling of 1113719 in words is "one million, one hundred thirteen thousand, seven hundred nineteen".