110121345 has 12 divisors (see below), whose sum is σ = 190877076. Its totient is φ = 58731360.

The previous prime is 110121343. The next prime is 110121373. The reversal of 110121345 is 543121011.

It can be written as a sum of positive squares in 2 ways, for example, as 36144144 + 73977201 = 6012^2 + 8601^2 .

It is not a de Polignac number, because 110121345 - 2¹ = 110121343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110121343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223526 + ... + 1223615.

It is an arithmetic number, because the mean of its divisors is an integer number (15906423).

Almost surely, 2^110121345 is an apocalyptic number.

110121345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

110121345 is a deficient number, since it is larger than the sum of its proper divisors (80755731).

110121345 is a wasteful number, since it uses less digits than its factorization.

110121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447152 (or 2447149 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 110121345 is about 10493.8717830932. The cubic root of 110121345 is about 479.3181072760.

Adding to 110121345 its reverse (543121011), we get a palindrome (653242356).

The spelling of 110121345 in words is "one hundred ten million, one hundred twenty-one thousand, three hundred forty-five".