122654611493 has 2 divisors, whose sum is σ = 122654611494. Its totient is φ = 122654611492.

The previous prime is 122654611489. The next prime is 122654611517. The reversal of 122654611493 is 394116456221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121349812609 + 1304798884 = 348353^2 + 36122^2 .

It is a cyclic number.

It is not a de Polignac number, because 122654611493 - 2² = 122654611489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122654611693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61327305746 + 61327305747.

It is an arithmetic number, because the mean of its divisors is an integer number (61327305747).

Almost surely, 2^122654611493 is an apocalyptic number.

It is an amenable number.

122654611493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122654611493 is an equidigital number, since it uses as much as digits as its factorization.

122654611493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The spelling of 122654611493 in words is "one hundred twenty-two billion, six hundred fifty-four million, six hundred eleven thousand, four hundred ninety-three".