1198508474 has 16 divisors (see below), whose sum is σ = 1843710120. Its totient is φ = 583971840.

The previous prime is 1198508473. The next prime is 1198508527. The reversal of 1198508474 is 4748058911.

It can be written as a sum of positive squares in 4 ways, for example, as 136726249 + 1061782225 = 11693^2 + 32585^2 .

It is not an unprimeable number, because it can be changed into a prime (1198508473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68312 + ... + 84044.

Almost surely, 2^1198508474 is an apocalyptic number.

1198508474 is a deficient number, since it is larger than the sum of its proper divisors (645201646).

1198508474 is a wasteful number, since it uses less digits than its factorization.

1198508474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 1198508474 is about 34619.4811341822. The cubic root of 1198508474 is about 1062.2181136222.

The spelling of 1198508474 in words is "one billion, one hundred ninety-eight million, five hundred eight thousand, four hundred seventy-four".