199124534 has 20 divisors (see below), whose sum is σ = 348455604. Its totient is φ = 85337028.

The previous prime is 199124531. The next prime is 199124537. The reversal of 199124534 is 435421991.

It is an interprime number because it is at equal distance from previous prime (199124531) and next prime (199124537).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199124531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15932 + ... + 25535.

Almost surely, 2^199124534 is an apocalyptic number.

199124534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199124534 is a deficient number, since it is larger than the sum of its proper divisors (149331070).

199124534 is an frugal number, since it uses more digits than its factorization.

199124534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41497 (or 41476 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 199124534 is about 14111.1492799134. The cubic root of 199124534 is about 583.9490068536.

The spelling of 199124534 in words is "one hundred ninety-nine million, one hundred twenty-four thousand, five hundred thirty-four".