1198253608 has 8 divisors (see below), whose sum is σ = 2246725530. Its totient is φ = 599126800.

The previous prime is 1198253569. The next prime is 1198253611. The reversal of 1198253608 is 8063528911.

It can be written as a sum of positive squares in only one way, i.e., 999950884 + 198302724 = 31622^2 + 14082^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74890843 + ... + 74890858.

Almost surely, 2^1198253608 is an apocalyptic number.

It is an amenable number.

1198253608 is a deficient number, since it is larger than the sum of its proper divisors (1048471922).

1198253608 is a wasteful number, since it uses less digits than its factorization.

1198253608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149781707 (or 149781703 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1198253608 is about 34615.7999763114. The cubic root of 1198253608 is about 1062.1428137863.

The spelling of 1198253608 in words is "one billion, one hundred ninety-eight million, two hundred fifty-three thousand, six hundred eight".