1012778288 has 10 divisors (see below), whose sum is σ = 1962257964. Its totient is φ = 506389136.

The previous prime is 1012778287. The next prime is 1012778309. The reversal of 1012778288 is 8828772101.

1012778288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1012778287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31649306 + ... + 31649337.

Almost surely, 2^1012778288 is an apocalyptic number.

It is an amenable number.

1012778288 is a deficient number, since it is larger than the sum of its proper divisors (949479676).

1012778288 is an equidigital number, since it uses as much as digits as its factorization.

1012778288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63298651 (or 63298645 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 1012778288 is about 31824.1777270050. The cubic root of 1012778288 is about 1004.2414143043.

The spelling of 1012778288 in words is "one billion, twelve million, seven hundred seventy-eight thousand, two hundred eighty-eight".