1098085975 has 24 divisors (see below), whose sum is σ = 1569944160. Its totient is φ = 746296320.

The previous prime is 1098085973. The next prime is 1098085991. The reversal of 1098085975 is 5795808901.

It is not a de Polignac number, because 1098085975 - 2¹ = 1098085973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098085973) 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 23 ways as a sum of consecutive naturals, for example, 7990 + ... + 47539.

It is an arithmetic number, because the mean of its divisors is an integer number (65414340).

Almost surely, 2^1098085975 is an apocalyptic number.

1098085975 is a deficient number, since it is larger than the sum of its proper divisors (471858185).

1098085975 is a wasteful number, since it uses less digits than its factorization.

1098085975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55659 (or 55654 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 52.

The square root of 1098085975 is about 33137.3803279620. The cubic root of 1098085975 is about 1031.6810375649.

The spelling of 1098085975 in words is "one billion, ninety-eight million, eighty-five thousand, nine hundred seventy-five".