1151927198 has 8 divisors (see below), whose sum is σ = 1743182208. Its totient is φ = 570866464.

The previous prime is 1151927197. The next prime is 1151927209. The reversal of 1151927198 is 8917291511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151927197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548286 + ... + 2548737.

It is an arithmetic number, because the mean of its divisors is an integer number (217897776).

Almost surely, 2^1151927198 is an apocalyptic number.

1151927198 is a deficient number, since it is larger than the sum of its proper divisors (591255010).

1151927198 is a wasteful number, since it uses less digits than its factorization.

1151927198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097138.

The product of its digits is 45360, while the sum is 44.

The square root of 1151927198 is about 33940.0530052621. The cubic root of 1151927198 is about 1048.2744744388.

The spelling of 1151927198 in words is "one billion, one hundred fifty-one million, nine hundred twenty-seven thousand, one hundred ninety-eight".