122147436731 has 2 divisors, whose sum is σ = 122147436732. Its totient is φ = 122147436730.

The previous prime is 122147436679. The next prime is 122147436739. The reversal of 122147436731 is 137634741221.

It is a strong prime.

It is an emirp because it is prime and its reverse (137634741221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122147436731 - 2¹⁸ = 122147174587 is a prime.

It is a super-2 number, since 2×122147436731² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122147436739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61073718365 + 61073718366.

It is an arithmetic number, because the mean of its divisors is an integer number (61073718366).

Almost surely, 2^122147436731 is an apocalyptic number.

122147436731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122147436731 is an equidigital number, since it uses as much as digits as its factorization.

122147436731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The spelling of 122147436731 in words is "one hundred twenty-two billion, one hundred forty-seven million, four hundred thirty-six thousand, seven hundred thirty-one".