191126020 has 24 divisors (see below), whose sum is σ = 402591168. Its totient is φ = 76216800.

The previous prime is 191125999. The next prime is 191126029. The reversal of 191126020 is 20621191.

It is a junction number, because it is equal to n+sod(n) for n = 191125982 and 191126000.

It is not an unprimeable number, because it can be changed into a prime (191126029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7816 + ... + 21055.

It is an arithmetic number, because the mean of its divisors is an integer number (16774632).

Almost surely, 2^191126020 is an apocalyptic number.

191126020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191126020 is an abundant number, since it is smaller than the sum of its proper divisors (211465148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191126020 is a wasteful number, since it uses less digits than its factorization.

191126020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211 (or 29209 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 191126020 is about 13824.8334528847. The cubic root of 191126020 is about 576.0231512364.

The spelling of 191126020 in words is "one hundred ninety-one million, one hundred twenty-six thousand, twenty".