1066124420 has 24 divisors (see below), whose sum is σ = 2239962648. Its totient is φ = 426240000.

The previous prime is 1066124399. The next prime is 1066124443. The reversal of 1066124420 is 244216601.

1066124420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 88811776 + 977312644 = 9424^2 + 31262^2 .

It is a super-2 number, since 2×1066124420² = 2273242557840672800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066124420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32420 + ... + 56420.

It is an arithmetic number, because the mean of its divisors is an integer number (93331777).

Almost surely, 2^1066124420 is an apocalyptic number.

1066124420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066124420 is an abundant number, since it is smaller than the sum of its proper divisors (1173838228).

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

1066124420 is a wasteful number, since it uses less digits than its factorization.

1066124420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26231 (or 26229 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1066124420 is about 32651.5607590204. The cubic root of 1066124420 is about 1021.5727435383.

The spelling of 1066124420 in words is "one billion, sixty-six million, one hundred twenty-four thousand, four hundred twenty".