1066623125 has 40 divisors (see below), whose sum is σ = 1373054232. Its totient is φ = 828000000.

The previous prime is 1066623119. The next prime is 1066623133. The reversal of 1066623125 is 5213266601.

It can be written as a sum of positive squares in 20 ways, for example, as 1060023364 + 6599761 = 32558^2 + 2569^2 .

It is not a de Polignac number, because 1066623125 - 2¹⁰ = 1066622101 is a prime.

It is a super-2 number, since 2×1066623125² = 2275369781569531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066623091 and 1066623100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3850487 + ... + 3850763.

Almost surely, 2^1066623125 is an apocalyptic number.

It is an amenable number.

1066623125 is a deficient number, since it is larger than the sum of its proper divisors (306431107).

1066623125 is an equidigital number, since it uses as much as digits as its factorization.

1066623125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1066623125 is about 32659.1966373945. The cubic root of 1066623125 is about 1021.7320070065.

Adding to 1066623125 its reverse (5213266601), we get a palindrome (6279889726).

The spelling of 1066623125 in words is "one billion, sixty-six million, six hundred twenty-three thousand, one hundred twenty-five".