122120477 has 2 divisors, whose sum is σ = 122120478. Its totient is φ = 122120476.

The previous prime is 122120419. The next prime is 122120521. The reversal of 122120477 is 774021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 481636 = 11029^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 122120477 - 2¹² = 122116381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060238 + 61060239.

It is an arithmetic number, because the mean of its divisors is an integer number (61060239).

Almost surely, 2^122120477 is an apocalyptic number.

It is an amenable number.

122120477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120477 is an equidigital number, since it uses as much as digits as its factorization.

122120477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 122120477 is about 11050.8134089758. The cubic root of 122120477 is about 496.1307713743.

Adding to 122120477 its reverse (774021221), we get a palindrome (896141698).

The spelling of 122120477 in words is "one hundred twenty-two million, one hundred twenty thousand, four hundred seventy-seven".