1298032028 has 6 divisors (see below), whose sum is σ = 2271556056. Its totient is φ = 649016012.

The previous prime is 1298032007. The next prime is 1298032033. The reversal of 1298032028 is 8202308921.

It is a congruent number.

It is an unprimeable number.

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, 162254000 + ... + 162254007.

It is an arithmetic number, because the mean of its divisors is an integer number (378592676).

Almost surely, 2^1298032028 is an apocalyptic number.

It is an amenable number.

1298032028 is a deficient number, since it is larger than the sum of its proper divisors (973524028).

1298032028 is a wasteful number, since it uses less digits than its factorization.

1298032028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324508011 (or 324508009 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1298032028 is about 36028.2115570562. The cubic root of 1298032028 is about 1090.8418791226.

The spelling of 1298032028 in words is "one billion, two hundred ninety-eight million, thirty-two thousand, twenty-eight".