1102819 has 8 divisors (see below), whose sum is σ = 1138320. Its totient is φ = 1068000.

The previous prime is 1102813. The next prime is 1102823. The reversal of 1102819 is 9182011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102819 - 2⁷ = 1102691 is a prime.

It is a super-2 number, since 2×1102819² = 2432419493522, which contains 22 as substring.

It is a Duffinian number.

1102819 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102819.

It is not an unprimeable number, because it can be changed into a prime (1102813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6072 + ... + 6250.

It is an arithmetic number, because the mean of its divisors is an integer number (142290).

2^1102819 is an apocalyptic number.

1102819 is a deficient number, since it is larger than the sum of its proper divisors (35501).

1102819 is a wasteful number, since it uses less digits than its factorization.

1102819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1102819 is about 1050.1518937754. The cubic root of 1102819 is about 103.3161180709.

The spelling of 1102819 in words is "one million, one hundred two thousand, eight hundred nineteen".