1198598152 has 8 divisors (see below), whose sum is σ = 2247371550. Its totient is φ = 599299072.

The previous prime is 1198598123. The next prime is 1198598161. The reversal of 1198598152 is 2518958911.

It can be written as a sum of positive squares in only one way, i.e., 987593476 + 211004676 = 31426^2 + 14526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1198598096 and 1198598105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74912377 + ... + 74912392.

Almost surely, 2^1198598152 is an apocalyptic number.

It is an amenable number.

1198598152 is a deficient number, since it is larger than the sum of its proper divisors (1048773398).

1198598152 is a wasteful number, since it uses less digits than its factorization.

1198598152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149824775 (or 149824771 counting only the distinct ones).

The product of its digits is 259200, while the sum is 49.

The square root of 1198598152 is about 34620.7763055654. The cubic root of 1198598152 is about 1062.2446063344.

The spelling of 1198598152 in words is "one billion, one hundred ninety-eight million, five hundred ninety-eight thousand, one hundred fifty-two".