122746900849 has 2 divisors, whose sum is σ = 122746900850. Its totient is φ = 122746900848.

The previous prime is 122746900739. The next prime is 122746900879. The reversal of 122746900849 is 948009647221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88308820224 + 34438080625 = 297168^2 + 185575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122746900849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122746900796 and 122746900805.

It is not a weakly prime, because it can be changed into another prime (122746900879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61373450424 + 61373450425.

It is an arithmetic number, because the mean of its divisors is an integer number (61373450425).

Almost surely, 2^122746900849 is an apocalyptic number.

It is an amenable number.

122746900849 is a deficient number, since it is larger than the sum of its proper divisors (1).

122746900849 is an equidigital number, since it uses as much as digits as its factorization.

122746900849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 122746900849 in words is "one hundred twenty-two billion, seven hundred forty-six million, nine hundred thousand, eight hundred forty-nine".