1066123746 has 48 divisors (see below), whose sum is σ = 2353777920. Its totient is φ = 348654240.

The previous prime is 1066123739. The next prime is 1066123753. The reversal of 1066123746 is 6473216601.

It is a happy number.

1066123746 is a `hidden beast` number, since 1 + 0 + 6 + 612 + 37 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1066123739) and next prime (1066123753).

It is a super-2 number, since 2×1066123746² = 2273239683570145032, 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 1066123746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1051936 + ... + 1052948.

It is an arithmetic number, because the mean of its divisors is an integer number (49037040).

Almost surely, 2^1066123746 is an apocalyptic number.

1066123746 is an abundant number, since it is smaller than the sum of its proper divisors (1287654174).

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

1066123746 is a wasteful number, since it uses less digits than its factorization.

1066123746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1066123746 is about 32651.5504379195. The cubic root of 1066123746 is about 1021.5725282601.

The spelling of 1066123746 in words is "one billion, sixty-six million, one hundred twenty-three thousand, seven hundred forty-six".