120103243691 has 2 divisors, whose sum is σ = 120103243692. Its totient is φ = 120103243690.

The previous prime is 120103243511. The next prime is 120103243693. The reversal of 120103243691 is 196342301021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120103243691 is a prime.

Together with 120103243693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120103243693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051621845 + 60051621846.

It is an arithmetic number, because the mean of its divisors is an integer number (60051621846).

Almost surely, 2^120103243691 is an apocalyptic number.

120103243691 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103243691 is an equidigital number, since it uses as much as digits as its factorization.

120103243691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 120103243691 in words is "one hundred twenty billion, one hundred three million, two hundred forty-three thousand, six hundred ninety-one".