1144122102391 has 2 divisors, whose sum is σ = 1144122102392. Its totient is φ = 1144122102390.

The previous prime is 1144122102377. The next prime is 1144122102407. The reversal of 1144122102391 is 1932012214411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144122102391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144122142391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572061051195 + 572061051196.

It is an arithmetic number, because the mean of its divisors is an integer number (572061051196).

Almost surely, 2^{1144122102391} is an apocalyptic number.

1144122102391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144122102391 is an equidigital number, since it uses as much as digits as its factorization.

1144122102391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 1144122102391 in words is "one trillion, one hundred forty-four billion, one hundred twenty-two million, one hundred two thousand, three hundred ninety-one".