1128142130 has 16 divisors (see below), whose sum is σ = 2042003520. Its totient is φ = 448735152.

The previous prime is 1128142129. The next prime is 1128142139. The reversal of 1128142130 is 312418211.

It is a junction number, because it is equal to n+sod(n) for n = 1128142096 and 1128142105.

It is not an unprimeable number, because it can be changed into a prime (1128142139) 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, 313334 + ... + 316913.

It is an arithmetic number, because the mean of its divisors is an integer number (127625220).

Almost surely, 2^1128142130 is an apocalyptic number.

1128142130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128142130 is a deficient number, since it is larger than the sum of its proper divisors (913861390).

1128142130 is a wasteful number, since it uses less digits than its factorization.

1128142130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630433.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1128142130 is about 33587.8271104280. The cubic root of 1128142130 is about 1041.0092920119.

The spelling of 1128142130 in words is "one billion, one hundred twenty-eight million, one hundred forty-two thousand, one hundred thirty".