1053220 has 24 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 361056.

The previous prime is 1053197. The next prime is 1053233. The reversal of 1053220 is 223501.

It is a super-2 number, since 2×1053220² = 2218544736800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2^1053220 is an apocalyptic number.

1053220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053220 is an abundant number, since it is smaller than the sum of its proper divisors (1474844).

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

1053220 is a wasteful number, since it uses less digits than its factorization.

1053220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539 (or 7537 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1053220 is about 1026.2650729709. The cubic root of 1053220 is about 101.7434279492.

Adding to 1053220 its reverse (223501), we get a palindrome (1276721).

The spelling of 1053220 in words is "one million, fifty-three thousand, two hundred twenty".