108926257 has 6 divisors (see below), whose sum is σ = 119728994. Its totient is φ = 99023760.

The previous prime is 108926243. The next prime is 108926263. The reversal of 108926257 is 752629801.

It can be written as a sum of positive squares in only one way, i.e., 106688241 + 2238016 = 10329^2 + 1496^2 .

It is a de Polignac number, because none of the positive numbers 2^k-108926257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108726257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449988 + ... + 450229.

Almost surely, 2^108926257 is an apocalyptic number.

It is an amenable number.

108926257 is a deficient number, since it is larger than the sum of its proper divisors (10802737).

108926257 is an equidigital number, since it uses as much as digits as its factorization.

108926257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900239 (or 900228 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 108926257 is about 10436.7742621942. The cubic root of 108926257 is about 477.5778691204.

The spelling of 108926257 in words is "one hundred eight million, nine hundred twenty-six thousand, two hundred fifty-seven".