108742291 has 8 divisors (see below), whose sum is σ = 127308384. Its totient is φ = 90934080.

The previous prime is 108742289. The next prime is 108742303. The reversal of 108742291 is 192247801.

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 108742291 - 2¹ = 108742289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108742211) 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, 189160 + ... + 189733.

It is an arithmetic number, because the mean of its divisors is an integer number (15913548).

Almost surely, 2^108742291 is an apocalyptic number.

108742291 is a deficient number, since it is larger than the sum of its proper divisors (18566093).

108742291 is an equidigital number, since it uses as much as digits as its factorization.

108742291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378941.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 108742291 is about 10427.9571824974. The cubic root of 108742291 is about 477.3088565473.

The spelling of 108742291 in words is "one hundred eight million, seven hundred forty-two thousand, two hundred ninety-one".