100057191 has 8 divisors (see below), whose sum is σ = 143671920. Its totient is φ = 61573632.

The previous prime is 100057159. The next prime is 100057193. The reversal of 100057191 is 191750001.

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

It is not a de Polignac number, because 100057191 - 2⁵ = 100057159 is a prime.

It is a super-2 number, since 2×100057191² = 20022882941620962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100057193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282746 + ... + 1282823.

It is an arithmetic number, because the mean of its divisors is an integer number (17958990).

Almost surely, 2^100057191 is an apocalyptic number.

100057191 is a deficient number, since it is larger than the sum of its proper divisors (43614729).

100057191 is a wasteful number, since it uses less digits than its factorization.

100057191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565585.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 100057191 is about 10002.8591412656. The cubic root of 100057191 is about 464.2473522003.

The spelling of 100057191 in words is "one hundred million, fifty-seven thousand, one hundred ninety-one".