1201323120103 has 8 divisors (see below), whose sum is σ = 1305342609920. Its totient is φ = 1101382826040.

The previous prime is 1201323120091. The next prime is 1201323120131. The reversal of 1201323120103 is 3010213231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201323120103 - 2⁵ = 1201323120071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201323129103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019798325 + ... + 1019799502.

It is an arithmetic number, because the mean of its divisors is an integer number (163167826240).

Almost surely, 2^{1201323120103} is an apocalyptic number.

1201323120103 is a deficient number, since it is larger than the sum of its proper divisors (104019489817).

1201323120103 is a wasteful number, since it uses less digits than its factorization.

1201323120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039597877.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201323120103 its reverse (3010213231021), we get a palindrome (4211536351124).

The spelling of 1201323120103 in words is "one trillion, two hundred one billion, three hundred twenty-three million, one hundred twenty thousand, one hundred three".