109121093 has 2 divisors, whose sum is σ = 109121094. Its totient is φ = 109121092.

The previous prime is 109121087. The next prime is 109121119. The reversal of 109121093 is 390121901.

It is an a-pointer prime, because the next prime (109121119) can be obtained adding 109121093 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101949409 + 7171684 = 10097^2 + 2678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109121093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109121003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54560546 + 54560547.

It is an arithmetic number, because the mean of its divisors is an integer number (54560547).

Almost surely, 2^109121093 is an apocalyptic number.

It is an amenable number.

109121093 is a deficient number, since it is larger than the sum of its proper divisors (1).

109121093 is an equidigital number, since it uses as much as digits as its factorization.

109121093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 109121093 is about 10446.1042020459. The cubic root of 109121093 is about 477.8624467797.

Adding to 109121093 its reverse (390121901), we get a palindrome (499242994).

The spelling of 109121093 in words is "one hundred nine million, one hundred twenty-one thousand, ninety-three".