1198141826 has 12 divisors (see below), whose sum is σ = 2090635398. Its totient is φ = 513489312.

The previous prime is 1198141781. The next prime is 1198141837. The reversal of 1198141826 is 6281418911.

It can be written as a sum of positive squares in only one way, i.e., 1188525625 + 9616201 = 34475^2 + 3101^2 .

It is a super-2 number, since 2×1198141826² = 2871087670421228552, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6112871 + ... + 6113066.

Almost surely, 2^1198141826 is an apocalyptic number.

1198141826 is a deficient number, since it is larger than the sum of its proper divisors (892493572).

1198141826 is a wasteful number, since it uses less digits than its factorization.

1198141826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225953 (or 12225946 counting only the distinct ones).

The product of its digits is 27648, while the sum is 41.

The square root of 1198141826 is about 34614.1853291393. The cubic root of 1198141826 is about 1062.1097845680.

The spelling of 1198141826 in words is "one billion, one hundred ninety-eight million, one hundred forty-one thousand, eight hundred twenty-six".