1051218 has 56 divisors (see below), whose sum is σ = 2728128. Its totient is φ = 297432.

The previous prime is 1051181. The next prime is 1051247. The reversal of 1051218 is 8121501.

It is a super-2 number, since 2×1051218² = 2210118567048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1051218.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10155 + ... + 10257.

2^1051218 is an apocalyptic number.

1051218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364064).

1051218 is an abundant number, since it is smaller than the sum of its proper divisors (1676910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051218 is an equidigital number, since it uses as much as digits as its factorization.

1051218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1051218 is about 1025.2892274866. The cubic root of 1051218 is about 101.6789211541.

Adding to 1051218 its reverse (8121501), we get a palindrome (9172719).

The spelling of 1051218 in words is "one million, fifty-one thousand, two hundred eighteen".