1012128766 has 16 divisors (see below), whose sum is σ = 1657688688. Its totient is φ = 459648000.

The previous prime is 1012128763. The next prime is 1012128769. The reversal of 1012128766 is 6678212101.

It is an interprime number because it is at equal distance from previous prime (1012128763) and next prime (1012128769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012128763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5416 + ... + 45316.

It is an arithmetic number, because the mean of its divisors is an integer number (103605543).

Almost surely, 2^1012128766 is an apocalyptic number.

1012128766 is a deficient number, since it is larger than the sum of its proper divisors (645559922).

1012128766 is a wasteful number, since it uses less digits than its factorization.

1012128766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41067.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1012128766 is about 31813.9712390641. The cubic root of 1012128766 is about 1004.0266860364.

The spelling of 1012128766 in words is "one billion, twelve million, one hundred twenty-eight thousand, seven hundred sixty-six".