1118879 has 4 divisors (see below), whose sum is σ = 1127184.
Its totient is φ = 1110576.
The previous prime is 1118869. The next prime is 1118893. The reversal of 1118879 is 9788111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9788111 = 2741 ⋅3571.
It is a cyclic number.
It is not a de Polignac number, because 1118879 - 24 = 1118863 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1118809) 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, 3947 + ... + 4220.
It is an arithmetic number, because the mean of its divisors is an integer number (281796).
21118879 is an apocalyptic number.
1118879 is a deficient number, since it is larger than the sum of its proper divisors (8305).
1118879 is an equidigital number, since it uses as much as digits as its factorization.
1118879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8304.
The product of its digits is 4032, while the sum is 35.
The square root of 1118879 is about 1057.7707691178.
The cubic root of 1118879 is about 103.8152229361.
The spelling of 1118879 in words is "one million, one hundred eighteen thousand, eight hundred seventy-nine".