857120097 has 8 divisors (see below), whose sum is σ = 1142964000. Its totient is φ = 571344800.

The previous prime is 857120021. The next prime is 857120123. The reversal of 857120097 is 790021758.

857120097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 857120097 - 2¹⁴ = 857103713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (857190097) 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, 32722 + ... + 52772.

It is an arithmetic number, because the mean of its divisors is an integer number (142870500).

Almost surely, 2^857120097 is an apocalyptic number.

It is an amenable number.

857120097 is a deficient number, since it is larger than the sum of its proper divisors (285843903).

857120097 is a wasteful number, since it uses less digits than its factorization.

857120097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34303.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 857120097 is about 29276.6134824368. The cubic root of 857120097 is about 949.9058436692.

The spelling of 857120097 in words is "eight hundred fifty-seven million, one hundred twenty thousand, ninety-seven".