1198631083 has 8 divisors (see below), whose sum is σ = 1318298688. Its totient is φ = 1082887104.

The previous prime is 1198631069. The next prime is 1198631099. The reversal of 1198631083 is 3801368911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1198631083 - 2⁹ = 1198630571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198631783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980266 + ... + 981487.

It is an arithmetic number, because the mean of its divisors is an integer number (164787336).

Almost surely, 2^1198631083 is an apocalyptic number.

1198631083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1198631083 is a deficient number, since it is larger than the sum of its proper divisors (119667605).

1198631083 is a wasteful number, since it uses less digits than its factorization.

1198631083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961813.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1198631083 is about 34621.2518982200. The cubic root of 1198631083 is about 1062.2543344924.

Adding to 1198631083 its reverse (3801368911), we get a palindrome (4999999994).

The spelling of 1198631083 in words is "one billion, one hundred ninety-eight million, six hundred thirty-one thousand, eighty-three".