1053420520 has 32 divisors (see below), whose sum is σ = 2372046120. Its totient is φ = 421039360.

The previous prime is 1053420499. The next prime is 1053420547. The reversal of 1053420520 is 250243501.

It can be written as a sum of positive squares in 4 ways, for example, as 1053262116 + 158404 = 32454^2 + 398^2 .

It is a super-3 number, since 3×1053420520³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1053420491 and 1053420500.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45330 + ... + 64510.

Almost surely, 2^1053420520 is an apocalyptic number.

1053420520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053420520 is an abundant number, since it is smaller than the sum of its proper divisors (1318625600).

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

1053420520 is a wasteful number, since it uses less digits than its factorization.

1053420520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20565 (or 20561 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1053420520 is about 32456.4403470251. The cubic root of 1053420520 is about 1017.4988443422.

The spelling of 1053420520 in words is "one billion, fifty-three million, four hundred twenty thousand, five hundred twenty".