1051219 has 4 divisors (see below), whose sum is σ = 1132096. Its totient is φ = 970344.

The previous prime is 1051181. The next prime is 1051247. The reversal of 1051219 is 9121501.

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 1051219 - 2¹¹ = 1049171 is a prime.

It is a super-2 number, since 2×1051219² = 2210122771922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051196 and 1051205.

It is not an unprimeable number, because it can be changed into a prime (1051019) 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, 40419 + ... + 40444.

It is an arithmetic number, because the mean of its divisors is an integer number (283024).

2^1051219 is an apocalyptic number.

1051219 is a deficient number, since it is larger than the sum of its proper divisors (80877).

1051219 is an equidigital number, since it uses as much as digits as its factorization.

1051219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80876.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1051219 is about 1025.2897151537. The cubic root of 1051219 is about 101.6789533958.

The spelling of 1051219 in words is "one million, fifty-one thousand, two hundred nineteen".