100970891 has 8 divisors (see below), whose sum is σ = 118514400. Its totient is φ = 84207168.

The previous prime is 100970879. The next prime is 100970941. The reversal of 100970891 is 198079001.

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

It is a cyclic number.

It is not a de Polignac number, because 100970891 - 2⁶ = 100970827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100970291) 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, 194666 + ... + 195183.

It is an arithmetic number, because the mean of its divisors is an integer number (14814300).

Almost surely, 2^100970891 is an apocalyptic number.

100970891 is a deficient number, since it is larger than the sum of its proper divisors (17543509).

100970891 is an equidigital number, since it uses as much as digits as its factorization.

100970891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389893.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 100970891 is about 10048.4272898797. The cubic root of 100970891 is about 465.6562069140.

The spelling of 100970891 in words is "one hundred million, nine hundred seventy thousand, eight hundred ninety-one".