110120249 has 2 divisors, whose sum is σ = 110120250. Its totient is φ = 110120248.

The previous prime is 110120243. The next prime is 110120321. The reversal of 110120249 is 942021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 11971600 = 9907^2 + 3460^2 .

It is an emirp because it is prime and its reverse (942021011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110120249 - 2⁸ = 110119993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110120249.

It is not a weakly prime, because it can be changed into another prime (110120243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060124 + 55060125.

It is an arithmetic number, because the mean of its divisors is an integer number (55060125).

Almost surely, 2^110120249 is an apocalyptic number.

It is an amenable number.

110120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120249 is an equidigital number, since it uses as much as digits as its factorization.

110120249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 110120249 is about 10493.8195620089. The cubic root of 110120249 is about 479.3165171078.

The spelling of 110120249 in words is "one hundred ten million, one hundred twenty thousand, two hundred forty-nine".