120506001103 has 2 divisors, whose sum is σ = 120506001104. Its totient is φ = 120506001102.

The previous prime is 120506001061. The next prime is 120506001163. The reversal of 120506001103 is 301100605021.

It is a weak prime.

It is an emirp because it is prime and its reverse (301100605021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120506001103 - 2¹³ = 120505992911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120506001163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60253000551 + 60253000552.

It is an arithmetic number, because the mean of its divisors is an integer number (60253000552).

Almost surely, 2^120506001103 is an apocalyptic number.

120506001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120506001103 is an equidigital number, since it uses as much as digits as its factorization.

120506001103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 120506001103 its reverse (301100605021), we get a palindrome (421606606124).

The spelling of 120506001103 in words is "one hundred twenty billion, five hundred six million, one thousand, one hundred three".