108670261 has 4 divisors (see below), whose sum is σ = 124194592. Its totient is φ = 93145932.

The previous prime is 108670249. The next prime is 108670277. The reversal of 108670261 is 162076801.

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 a cyclic number.

It is not a de Polignac number, because 108670261 - 2⁵ = 108670229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108670231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7762155 + ... + 7762168.

It is an arithmetic number, because the mean of its divisors is an integer number (31048648).

Almost surely, 2^108670261 is an apocalyptic number.

It is an amenable number.

108670261 is a deficient number, since it is larger than the sum of its proper divisors (15524331).

108670261 is an equidigital number, since it uses as much as digits as its factorization.

108670261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524330.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 108670261 is about 10424.5029138084. The cubic root of 108670261 is about 477.2034447811.

The spelling of 108670261 in words is "one hundred eight million, six hundred seventy thousand, two hundred sixty-one".