1053812 has 12 divisors (see below), whose sum is σ = 1861860. Its totient is φ = 521856.

The previous prime is 1053809. The next prime is 1053817. The reversal of 1053812 is 2183501.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 139876 = 956^2 + 374^2 .

It is a super-2 number, since 2×1053812² = 2221039462688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053817) 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, 773 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (155155).

2^1053812 is an apocalyptic number.

It is an amenable number.

1053812 is a deficient number, since it is larger than the sum of its proper divisors (808048).

1053812 is a wasteful number, since it uses less digits than its factorization.

1053812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1053812 is about 1026.5534569617. The cubic root of 1053812 is about 101.7624872238.

The spelling of 1053812 in words is "one million, fifty-three thousand, eight hundred twelve".