110140643 has 2 divisors, whose sum is σ = 110140644. Its totient is φ = 110140642.

The previous prime is 110140609. The next prime is 110140649. The reversal of 110140643 is 346041011.

It is a strong prime.

It is an emirp because it is prime and its reverse (346041011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110140643 - 2¹⁶ = 110075107 is a prime.

It is a super-2 number, since 2×110140643² = 24261922480906898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110140649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55070321 + 55070322.

It is an arithmetic number, because the mean of its divisors is an integer number (55070322).

Almost surely, 2^110140643 is an apocalyptic number.

110140643 is a deficient number, since it is larger than the sum of its proper divisors (1).

110140643 is an equidigital number, since it uses as much as digits as its factorization.

110140643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 110140643 is about 10494.7912318445. The cubic root of 110140643 is about 479.3461046958.

Adding to 110140643 its reverse (346041011), we get a palindrome (456181654).

The spelling of 110140643 in words is "one hundred ten million, one hundred forty thousand, six hundred forty-three".