108722257 has 8 divisors (see below), whose sum is σ = 124880000. Its totient is φ = 92721024.

The previous prime is 108722231. The next prime is 108722261. The reversal of 108722257 is 752227801.

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 108722257 - 2⁷ = 108722129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108722057) 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, 37632 + ... + 40417.

It is an arithmetic number, because the mean of its divisors is an integer number (15610000).

Almost surely, 2^108722257 is an apocalyptic number.

It is an amenable number.

108722257 is a deficient number, since it is larger than the sum of its proper divisors (16157743).

108722257 is an equidigital number, since it uses as much as digits as its factorization.

108722257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78255.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 108722257 is about 10426.9965474244. The cubic root of 108722257 is about 477.2795426136.

The spelling of 108722257 in words is "one hundred eight million, seven hundred twenty-two thousand, two hundred fifty-seven".