1115801 has 4 divisors (see below), whose sum is σ = 1119504.
Its totient is φ = 1112100.
The previous prime is 1115789. The next prime is 1115831. The reversal of 1115801 is 1085111.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1115801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1115801.
It is not an unprimeable number, because it can be changed into a prime (1115831) 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, 1355 + ... + 2016.
It is an arithmetic number, because the mean of its divisors is an integer number (279876).
21115801 is an apocalyptic number.
It is an amenable number.
1115801 is a deficient number, since it is larger than the sum of its proper divisors (3703).
1115801 is an equidigital number, since it uses as much as digits as its factorization.
1115801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3702.
The product of its (nonzero) digits is 40, while the sum is 17.
The square root of 1115801 is about 1056.3148204962.
The cubic root of 1115801 is about 103.7199380653.
The spelling of 1115801 in words is "one million, one hundred fifteen thousand, eight hundred one".