122547135019 has 2 divisors, whose sum is σ = 122547135020. Its totient is φ = 122547135018.

The previous prime is 122547134947. The next prime is 122547135031. The reversal of 122547135019 is 910531745221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122547135019 - 2⁷ = 122547134891 is a prime.

It is a super-2 number, since 2×122547135019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122547135079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61273567509 + 61273567510.

It is an arithmetic number, because the mean of its divisors is an integer number (61273567510).

Almost surely, 2^122547135019 is an apocalyptic number.

122547135019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122547135019 is an equidigital number, since it uses as much as digits as its factorization.

122547135019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 122547135019 in words is "one hundred twenty-two billion, five hundred forty-seven million, one hundred thirty-five thousand, nineteen".