1045219 has 12 divisors (see below), whose sum is σ = 1235304. Its totient is φ = 881664.

The previous prime is 1045199. The next prime is 1045223. The reversal of 1045219 is 9125401.

It is a de Polignac number, because none of the positive numbers 2^k-1045219 is a prime.

It is a super-2 number, since 2×1045219² = 2184965515922, which contains 22 as substring.

1045219 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045219.

It is not an unprimeable number, because it can be changed into a prime (1045229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3939 + ... + 4195.

It is an arithmetic number, because the mean of its divisors is an integer number (102942).

2^1045219 is an apocalyptic number.

1045219 is a deficient number, since it is larger than the sum of its proper divisors (190085).

1045219 is an equidigital number, since it uses as much as digits as its factorization.

1045219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1045219 is about 1022.3595258029. The cubic root of 1045219 is about 101.4851345649.

The spelling of 1045219 in words is "one million, forty-five thousand, two hundred nineteen".