1198461559 has 4 divisors (see below), whose sum is σ = 1198895904. Its totient is φ = 1198027216.

The previous prime is 1198461553. The next prime is 1198461577. The reversal of 1198461559 is 9551648911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1198461559 - 2⁵ = 1198461527 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198461553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213007 + ... + 218560.

It is an arithmetic number, because the mean of its divisors is an integer number (299723976).

Almost surely, 2^1198461559 is an apocalyptic number.

1198461559 is a deficient number, since it is larger than the sum of its proper divisors (434345).

1198461559 is an equidigital number, since it uses as much as digits as its factorization.

1198461559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434344.

The product of its digits is 388800, while the sum is 49.

The square root of 1198461559 is about 34618.8035466277. The cubic root of 1198461559 is about 1062.2042534468.

The spelling of 1198461559 in words is "one billion, one hundred ninety-eight million, four hundred sixty-one thousand, five hundred fifty-nine".