1075198698 has 96 divisors (see below), whose sum is σ = 2772491904. Its totient is φ = 305923392.

The previous prime is 1075198697. The next prime is 1075198721. The reversal of 1075198698 is 8968915701.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1075198697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077936 + ... + 1078932.

It is an arithmetic number, because the mean of its divisors is an integer number (28880124).

Almost surely, 2^1075198698 is an apocalyptic number.

1075198698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075198698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386245952).

1075198698 is an abundant number, since it is smaller than the sum of its proper divisors (1697293206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1075198698 is an equidigital number, since it uses as much as digits as its factorization.

1075198698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The square root of 1075198698 is about 32790.2225975976. Note that the first 3 decimals coincide. The cubic root of 1075198698 is about 1024.4629184695.

The spelling of 1075198698 in words is "one billion, seventy-five million, one hundred ninety-eight thousand, six hundred ninety-eight".