1198050819 has 16 divisors (see below), whose sum is σ = 1836538368. Its totient is φ = 680499072.

The previous prime is 1198050803. The next prime is 1198050823. The reversal of 1198050819 is 9180508911.

It is not a de Polignac number, because 1198050819 - 2⁴ = 1198050803 is a prime.

It is a super-2 number, since 2×1198050819² = 2870651529813141522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1198050019) 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, 167302 + ... + 174315.

It is an arithmetic number, because the mean of its divisors is an integer number (114783648).

Almost surely, 2^1198050819 is an apocalyptic number.

1198050819 is a deficient number, since it is larger than the sum of its proper divisors (638487549).

1198050819 is a wasteful number, since it uses less digits than its factorization.

1198050819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341794.

The product of its (nonzero) digits is 25920, while the sum is 42.

The square root of 1198050819 is about 34612.8707130743. The cubic root of 1198050819 is about 1062.0828924059.

The spelling of 1198050819 in words is "one billion, one hundred ninety-eight million, fifty thousand, eight hundred nineteen".