1052206520 has 16 divisors (see below), whose sum is σ = 2367464760. Its totient is φ = 420882592.

The previous prime is 1052206511. The next prime is 1052206523. The reversal of 1052206520 is 256022501.

It is a super-2 number, since 2×1052206520² = 2214277121461020800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052206523) 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 3 ways as a sum of consecutive naturals, for example, 13152542 + ... + 13152621.

Almost surely, 2^1052206520 is an apocalyptic number.

1052206520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052206520 is an abundant number, since it is smaller than the sum of its proper divisors (1315258240).

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

1052206520 is a wasteful number, since it uses less digits than its factorization.

1052206520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26305174 (or 26305170 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1052206520 is about 32437.7329664081. The cubic root of 1052206520 is about 1017.1078265765.

The spelling of 1052206520 in words is "one billion, fifty-two million, two hundred six thousand, five hundred twenty".