122048477 has 2 divisors, whose sum is σ = 122048478. Its totient is φ = 122048476.

The previous prime is 122048471. The next prime is 122048489. The reversal of 122048477 is 774840221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 7365796 = 10709^2 + 2714^2 .

It is an emirp because it is prime and its reverse (774840221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122048477 - 2⁴ = 122048461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122048471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61024238 + 61024239.

It is an arithmetic number, because the mean of its divisors is an integer number (61024239).

Almost surely, 2^122048477 is an apocalyptic number.

It is an amenable number.

122048477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122048477 is an equidigital number, since it uses as much as digits as its factorization.

122048477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 122048477 is about 11047.5552499184. Note that the first 3 decimals coincide. The cubic root of 122048477 is about 496.0332489960.

Adding to 122048477 its reverse (774840221), we get a palindrome (896888698).

The spelling of 122048477 in words is "one hundred twenty-two million, forty-eight thousand, four hundred seventy-seven".