1128123302 has 4 divisors (see below), whose sum is σ = 1692184956. Its totient is φ = 564061650.

The previous prime is 1128123299. The next prime is 1128123307. The reversal of 1128123302 is 2033218211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2033218211 = 1483 ⋅1371017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128123307) 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 as a sum of consecutive naturals, namely, 282030824 + ... + 282030827.

It is an arithmetic number, because the mean of its divisors is an integer number (423046239).

Almost surely, 2^1128123302 is an apocalyptic number.

1128123302 is a deficient number, since it is larger than the sum of its proper divisors (564061654).

1128123302 is an equidigital number, since it uses as much as digits as its factorization.

1128123302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564061653.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1128123302 is about 33587.5468291449. The cubic root of 1128123302 is about 1041.0035007109.

The spelling of 1128123302 in words is "one billion, one hundred twenty-eight million, one hundred twenty-three thousand, three hundred two".