122078773 has 2 divisors, whose sum is σ = 122078774. Its totient is φ = 122078772.

The previous prime is 122078767. The next prime is 122078821. The reversal of 122078773 is 377870221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 6666724 = 10743^2 + 2582^2 .

It is an emirp because it is prime and its reverse (377870221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122078773 - 2⁵ = 122078741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122058773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61039386 + 61039387.

It is an arithmetic number, because the mean of its divisors is an integer number (61039387).

Almost surely, 2^122078773 is an apocalyptic number.

It is an amenable number.

122078773 is a deficient number, since it is larger than the sum of its proper divisors (1).

122078773 is an equidigital number, since it uses as much as digits as its factorization.

122078773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 122078773 is about 11048.9263279289. The cubic root of 122078773 is about 496.0742889183.

The spelling of 122078773 in words is "one hundred twenty-two million, seventy-eight thousand, seven hundred seventy-three".