1053220312 has 64 divisors (see below), whose sum is σ = 2213244000. Its totient is φ = 466937856.

The previous prime is 1053220309. The next prime is 1053220313. The reversal of 1053220312 is 2130223501.

It is a super-2 number, since 2×1053220312² = 2218546051218754688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1053220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053220313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508014 + ... + 510082.

Almost surely, 2^1053220312 is an apocalyptic number.

It is an amenable number.

1053220312 is an abundant number, since it is smaller than the sum of its proper divisors (1160023688).

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

1053220312 is a wasteful number, since it uses less digits than its factorization.

1053220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1053220312 is about 32453.3559435692. The cubic root of 1053220312 is about 1017.4343799580.

Adding to 1053220312 its reverse (2130223501), we get a palindrome (3183443813).

The spelling of 1053220312 in words is "one billion, fifty-three million, two hundred twenty thousand, three hundred twelve".