122545441 has 2 divisors, whose sum is σ = 122545442. Its totient is φ = 122545440.

The previous prime is 122545439. The next prime is 122545453. The reversal of 122545441 is 144545221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 221841 = 11060^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 122545441 - 2¹ = 122545439 is a prime.

Together with 122545439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122545411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61272720 + 61272721.

It is an arithmetic number, because the mean of its divisors is an integer number (61272721).

Almost surely, 2^122545441 is an apocalyptic number.

It is an amenable number.

122545441 is a deficient number, since it is larger than the sum of its proper divisors (1).

122545441 is an equidigital number, since it uses as much as digits as its factorization.

122545441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 28.

The square root of 122545441 is about 11070.0244353841. The cubic root of 122545441 is about 496.7055961458.

The spelling of 122545441 in words is "one hundred twenty-two million, five hundred forty-five thousand, four hundred forty-one".