1119791 has 4 divisors (see below), whose sum is σ = 1124952. Its totient is φ = 1114632.

The previous prime is 1119779. The next prime is 1119793. The reversal of 1119791 is 1979111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1979111 = 41 ⋅48271.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1119791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (281238).

2^1119791 is an apocalyptic number.

1119791 is a deficient number, since it is larger than the sum of its proper divisors (5161).

1119791 is an equidigital number, since it uses as much as digits as its factorization.

1119791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its digits is 567, while the sum is 29.

The square root of 1119791 is about 1058.2017766003. The cubic root of 1119791 is about 103.8434219252.

It can be divided in two parts, 111 and 9791, that multiplied together give a palindrome (1086801).

The spelling of 1119791 in words is "one million, one hundred nineteen thousand, seven hundred ninety-one".