1128102794 has 36 divisors (see below), whose sum is σ = 2122096662. Its totient is φ = 445808160.

The previous prime is 1128102791. The next prime is 1128102797. The reversal of 1128102794 is 4972018211.

It is an interprime number because it is at equal distance from previous prime (1128102791) and next prime (1128102797).

It can be written as a sum of positive squares in 3 ways, for example, as 899700025 + 228402769 = 29995^2 + 15113^2 .

It is not an unprimeable number, because it can be changed into a prime (1128102791) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1198364 + ... + 1199304.

Almost surely, 2^1128102794 is an apocalyptic number.

1128102794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1128102794 is a deficient number, since it is larger than the sum of its proper divisors (993993868).

1128102794 is an frugal number, since it uses more digits than its factorization.

1128102794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1128102794 is about 33587.2415360357. The cubic root of 1128102794 is about 1040.9971925857.

The spelling of 1128102794 in words is "one billion, one hundred twenty-eight million, one hundred two thousand, seven hundred ninety-four".