122455481 has 2 divisors, whose sum is σ = 122455482. Its totient is φ = 122455480.

The previous prime is 122455477. The next prime is 122455483. The reversal of 122455481 is 184554221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118613881 + 3841600 = 10891^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 122455481 - 2² = 122455477 is a prime.

It is a super-2 number, since 2×122455481² = 29990689653882722, which contains 22 as substring.

Together with 122455483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122455483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61227740 + 61227741.

It is an arithmetic number, because the mean of its divisors is an integer number (61227741).

Almost surely, 2^122455481 is an apocalyptic number.

It is an amenable number.

122455481 is a deficient number, since it is larger than the sum of its proper divisors (1).

122455481 is an equidigital number, since it uses as much as digits as its factorization.

122455481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 32.

The square root of 122455481 is about 11065.9604644152. The cubic root of 122455481 is about 496.5840233547.

The spelling of 122455481 in words is "one hundred twenty-two million, four hundred fifty-five thousand, four hundred eighty-one".