1048819 has 4 divisors (see below), whose sum is σ = 1104040. Its totient is φ = 993600.

The previous prime is 1048807. The next prime is 1048829. The reversal of 1048819 is 9188401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1048819 - 2¹⁵ = 1016051 is a prime.

It is a super-2 number, since 2×1048819² = 2200042589522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27582 + ... + 27619.

It is an arithmetic number, because the mean of its divisors is an integer number (276010).

2^1048819 is an apocalyptic number.

1048819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1048819 is a deficient number, since it is larger than the sum of its proper divisors (55221).

1048819 is an equidigital number, since it uses as much as digits as its factorization.

1048819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55220.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1048819 is about 1024.1186454703. The cubic root of 1048819 is about 101.6015145888.

The spelling of 1048819 in words is "one million, forty-eight thousand, eight hundred nineteen".