1054220 has 12 divisors (see below), whose sum is σ = 2213904. Its totient is φ = 421680.

The previous prime is 1054219. The next prime is 1054243. The reversal of 1054220 is 224501.

It is a super-2 number, since 2×1054220² = 2222759616800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054195 and 1054204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26336 + ... + 26375.

It is an arithmetic number, because the mean of its divisors is an integer number (184492).

2^1054220 is an apocalyptic number.

1054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054220 is an abundant number, since it is smaller than the sum of its proper divisors (1159684).

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

1054220 is a wasteful number, since it uses less digits than its factorization.

1054220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52720 (or 52718 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1054220 is about 1026.7521609425. The cubic root of 1054220 is about 101.7756185153.

Adding to 1054220 its reverse (224501), we get a palindrome (1278721).

The spelling of 1054220 in words is "one million, fifty-four thousand, two hundred twenty".