1126020520 has 16 divisors (see below), whose sum is σ = 2533546260. Its totient is φ = 450408192.

The previous prime is 1126020509. The next prime is 1126020521. The reversal of 1126020520 is 250206211.

It can be written as a sum of positive squares in 2 ways, for example, as 1090188324 + 35832196 = 33018^2 + 5986^2 .

It is a super-3 number, since 3×1126020520³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1126020521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14075217 + ... + 14075296.

Almost surely, 2^1126020520 is an apocalyptic number.

1126020520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126020520 is an abundant number, since it is smaller than the sum of its proper divisors (1407525740).

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

1126020520 is a wasteful number, since it uses less digits than its factorization.

1126020520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150524 (or 28150520 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1126020520 is about 33556.2292279690. The cubic root of 1126020520 is about 1040.3563005025.

Adding to 1126020520 its reverse (250206211), we get a palindrome (1376226731).

The spelling of 1126020520 in words is "one billion, one hundred twenty-six million, twenty thousand, five hundred twenty".