122747173 has 2 divisors, whose sum is σ = 122747174. Its totient is φ = 122747172.

The previous prime is 122747137. The next prime is 122747231. The reversal of 122747173 is 371747221.

Together with previous prime (122747137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84033889 + 38713284 = 9167^2 + 6222^2 .

It is a cyclic number.

It is not a de Polignac number, because 122747173 - 2¹³ = 122738981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122747873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61373586 + 61373587.

It is an arithmetic number, because the mean of its divisors is an integer number (61373587).

Almost surely, 2^122747173 is an apocalyptic number.

It is an amenable number.

122747173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122747173 is an equidigital number, since it uses as much as digits as its factorization.

122747173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 34.

The square root of 122747173 is about 11079.1323216216. The cubic root of 122747173 is about 496.9780025269.

It can be divided in two parts, 1227 and 47173, that added together give a square (48400 = 220²).

The spelling of 122747173 in words is "one hundred twenty-two million, seven hundred forty-seven thousand, one hundred seventy-three".