101080857 has 4 divisors (see below), whose sum is σ = 134774480. Its totient is φ = 67387236.

The previous prime is 101080853. The next prime is 101080877. The reversal of 101080857 is 758080101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101080857 - 2² = 101080853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101080853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16846807 + ... + 16846812.

It is an arithmetic number, because the mean of its divisors is an integer number (33693620).

Almost surely, 2^101080857 is an apocalyptic number.

It is an amenable number.

101080857 is a deficient number, since it is larger than the sum of its proper divisors (33693623).

101080857 is an equidigital number, since it uses as much as digits as its factorization.

101080857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33693622.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 101080857 is about 10053.8976024227. The cubic root of 101080857 is about 465.8251921592.

The spelling of 101080857 in words is "one hundred one million, eighty thousand, eight hundred fifty-seven".