191126030 has 16 divisors (see below), whose sum is σ = 344220624. Its totient is φ = 76407360.

The previous prime is 191126029. The next prime is 191126041. The reversal of 191126030 is 30621191.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 191125987 and 191126005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18170 + ... + 26690.

It is an arithmetic number, because the mean of its divisors is an integer number (21513789).

Almost surely, 2^191126030 is an apocalyptic number.

191126030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191126030 is a deficient number, since it is larger than the sum of its proper divisors (153094594).

191126030 is a wasteful number, since it uses less digits than its factorization.

191126030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 191126030 is about 13824.8338145527. The cubic root of 191126030 is about 576.0231612825.

The spelling of 191126030 in words is "one hundred ninety-one million, one hundred twenty-six thousand, thirty".