1198049101 has 12 divisors (see below), whose sum is σ = 1243645216. Its totient is φ = 1153497240.

The previous prime is 1198049071. The next prime is 1198049107. The reversal of 1198049101 is 1019408911.

It is not a de Polignac number, because 1198049101 - 2¹⁹ = 1197524813 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198049107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214000 + ... + 219526.

Almost surely, 2^1198049101 is an apocalyptic number.

It is an amenable number.

1198049101 is a deficient number, since it is larger than the sum of its proper divisors (45596115).

1198049101 is an frugal number, since it uses more digits than its factorization.

1198049101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1198049101 is about 34612.8458957076. The cubic root of 1198049101 is about 1062.0823847315.

The spelling of 1198049101 in words is "one billion, one hundred ninety-eight million, forty-nine thousand, one hundred one".