1198095172 has 6 divisors (see below), whose sum is σ = 2096666558. Its totient is φ = 599047584.

The previous prime is 1198095169. The next prime is 1198095181. The reversal of 1198095172 is 2715908911.

It can be written as a sum of positive squares in only one way, i.e., 1167998976 + 30096196 = 34176^2 + 5486^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149761893 + ... + 149761900.

Almost surely, 2^1198095172 is an apocalyptic number.

It is an amenable number.

1198095172 is a deficient number, since it is larger than the sum of its proper divisors (898571386).

1198095172 is a wasteful number, since it uses less digits than its factorization.

1198095172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299523797 (or 299523795 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 43.

The square root of 1198095172 is about 34613.5114081192. The cubic root of 1198095172 is about 1062.0959986895.

The spelling of 1198095172 in words is "one billion, one hundred ninety-eight million, ninety-five thousand, one hundred seventy-two".