191201094 has 32 divisors (see below), whose sum is σ = 485591040. Its totient is φ = 54628776.

The previous prime is 191201077. The next prime is 191201099. The reversal of 191201094 is 490102191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191201099) 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 15 ways as a sum of consecutive naturals, for example, 252534 + ... + 253289.

It is an arithmetic number, because the mean of its divisors is an integer number (15174720).

Almost surely, 2^191201094 is an apocalyptic number.

191201094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191201094 is an abundant number, since it is smaller than the sum of its proper divisors (294389946).

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

191201094 is a wasteful number, since it uses less digits than its factorization.

191201094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505841 (or 505835 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 191201094 is about 13827.5483727232. The cubic root of 191201094 is about 576.0985616928.

The spelling of 191201094 in words is "one hundred ninety-one million, two hundred one thousand, ninety-four".