1002312128 has 28 divisors (see below), whose sum is σ = 1990145880. Its totient is φ = 500858112.

The previous prime is 1002312127. The next prime is 1002312229. The reversal of 1002312128 is 8212132001.

1002312128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×1002312128⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002312127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137438 + ... + 144546.

Almost surely, 2^1002312128 is an apocalyptic number.

It is an amenable number.

1002312128 is a deficient number, since it is larger than the sum of its proper divisors (987833752).

1002312128 is an equidigital number, since it uses as much as digits as its factorization.

1002312128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1002312128 is about 31659.3134480203. The cubic root of 1002312128 is about 1000.7701161023.

Adding to 1002312128 its reverse (8212132001), we get a palindrome (9214444129).

The spelling of 1002312128 in words is "one billion, two million, three hundred twelve thousand, one hundred twenty-eight".