1198019801 has 16 divisors (see below), whose sum is σ = 1413262080. Its totient is φ = 1003226880.

The previous prime is 1198019789. The next prime is 1198019803. The reversal of 1198019801 is 1089108911.

It is a cyclic number.

It is not a de Polignac number, because 1198019801 - 2¹⁸ = 1197757657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198019803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59366 + ... + 76943.

It is an arithmetic number, because the mean of its divisors is an integer number (88328880).

Almost surely, 2^1198019801 is an apocalyptic number.

1198019801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1198019801 is a deficient number, since it is larger than the sum of its proper divisors (215242279).

1198019801 is a wasteful number, since it uses less digits than its factorization.

1198019801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136384.

The product of its (nonzero) digits is 5184, while the sum is 38.

The square root of 1198019801 is about 34612.4226398558. The cubic root of 1198019801 is about 1062.0737264142.

The spelling of 1198019801 in words is "one billion, one hundred ninety-eight million, nineteen thousand, eight hundred one".