1075131198 has 16 divisors (see below), whose sum is σ = 2389180560. Its totient is φ = 358377048.

The previous prime is 1075131191. The next prime is 1075131199. The reversal of 1075131198 is 8911315701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075131191) 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 7 ways as a sum of consecutive naturals, for example, 9954865 + ... + 9954972.

It is an arithmetic number, because the mean of its divisors is an integer number (149323785).

Almost surely, 2^1075131198 is an apocalyptic number.

1075131198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1075131198 is an abundant number, since it is smaller than the sum of its proper divisors (1314049362).

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

1075131198 is a wasteful number, since it uses less digits than its factorization.

1075131198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19909848 (or 19909842 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The square root of 1075131198 is about 32789.1933112115. The cubic root of 1075131198 is about 1024.4414797363.

Adding to 1075131198 its reverse (8911315701), we get a palindrome (9986446899).

The spelling of 1075131198 in words is "one billion, seventy-five million, one hundred thirty-one thousand, one hundred ninety-eight".