108125866 has 4 divisors (see below), whose sum is σ = 162188802. Its totient is φ = 54062932.

The previous prime is 108125863. The next prime is 108125881. The reversal of 108125866 is 668521801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668521801 = 1609 ⋅415489.

It can be written as a sum of positive squares in only one way, i.e., 77000625 + 31125241 = 8775^2 + 5579^2 .

It is a pancake number, because a pancake can be divided into 108125866 parts by 14705 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (108125863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27031465 + ... + 27031468.

Almost surely, 2^108125866 is an apocalyptic number.

108125866 is a deficient number, since it is larger than the sum of its proper divisors (54062936).

108125866 is an equidigital number, since it uses as much as digits as its factorization.

108125866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54062935.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 108125866 is about 10398.3588128127. The cubic root of 108125866 is about 476.4052436032.

The spelling of 108125866 in words is "one hundred eight million, one hundred twenty-five thousand, eight hundred sixty-six".