110939861 has 2 divisors, whose sum is σ = 110939862. Its totient is φ = 110939860.

The previous prime is 110939849. The next prime is 110939911. The reversal of 110939861 is 168939011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88943761 + 21996100 = 9431^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 110939861 - 2⁶ = 110939797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110939821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55469930 + 55469931.

It is an arithmetic number, because the mean of its divisors is an integer number (55469931).

Almost surely, 2^110939861 is an apocalyptic number.

It is an amenable number.

110939861 is a deficient number, since it is larger than the sum of its proper divisors (1).

110939861 is an equidigital number, since it uses as much as digits as its factorization.

110939861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 110939861 is about 10532.7992955339. The cubic root of 110939861 is about 480.5027443724.

The spelling of 110939861 in words is "one hundred ten million, nine hundred thirty-nine thousand, eight hundred sixty-one".