109052720123 has 2 divisors, whose sum is σ = 109052720124. Its totient is φ = 109052720122.

The previous prime is 109052720089. The next prime is 109052720149. The reversal of 109052720123 is 321027250901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109052720123 - 2⁶ = 109052720059 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109052720123.

It is not a weakly prime, because it can be changed into another prime (109052720323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54526360061 + 54526360062.

It is an arithmetic number, because the mean of its divisors is an integer number (54526360062).

Almost surely, 2^109052720123 is an apocalyptic number.

109052720123 is a deficient number, since it is larger than the sum of its proper divisors (1).

109052720123 is an equidigital number, since it uses as much as digits as its factorization.

109052720123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 109052720123 in words is "one hundred nine billion, fifty-two million, seven hundred twenty thousand, one hundred twenty-three".