1120123000001 has 2 divisors, whose sum is σ = 1120123000002. Its totient is φ = 1120123000000.

The previous prime is 1120122999953. The next prime is 1120123000039. The reversal of 1120123000001 is 1000003210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078731504400 + 41391495601 = 1038620^2 + 203449^2 .

It is an emirp because it is prime and its reverse (1000003210211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120123000001 - 2²⁶ = 1120055891137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120123000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560061500000 + 560061500001.

It is an arithmetic number, because the mean of its divisors is an integer number (560061500001).

Almost surely, 2^{1120123000001} is an apocalyptic number.

It is an amenable number.

1120123000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120123000001 is an equidigital number, since it uses as much as digits as its factorization.

1120123000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1120123000001 its reverse (1000003210211), we get a palindrome (2120126210212).

The spelling of 1120123000001 in words is "one trillion, one hundred twenty billion, one hundred twenty-three million, one", and thus it is an aban number.