122425777 has 2 divisors, whose sum is σ = 122425778. Its totient is φ = 122425776.

The previous prime is 122425763. The next prime is 122425781. The reversal of 122425777 is 777524221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112338801 + 10086976 = 10599^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 122425777 - 2¹⁹ = 121901489 is a prime.

It is not a weakly prime, because it can be changed into another prime (122425477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61212888 + 61212889.

It is an arithmetic number, because the mean of its divisors is an integer number (61212889).

Almost surely, 2^122425777 is an apocalyptic number.

It is an amenable number.

122425777 is a deficient number, since it is larger than the sum of its proper divisors (1).

122425777 is an equidigital number, since it uses as much as digits as its factorization.

122425777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 37.

The square root of 122425777 is about 11064.6182491761. The cubic root of 122425777 is about 496.5438680140.

Adding to 122425777 its reverse (777524221), we get a palindrome (899949998).

The spelling of 122425777 in words is "one hundred twenty-two million, four hundred twenty-five thousand, seven hundred seventy-seven".