122053561 has 6 divisors (see below), whose sum is σ = 141980730. Its totient is φ = 104617296.

The previous prime is 122053531. The next prime is 122053567. The reversal of 122053561 is 165350221.

It can be written as a sum of positive squares in only one way, i.e., 107765161 + 14288400 = 10381^2 + 3780^2 .

It is not a de Polignac number, because 122053561 - 2¹¹ = 122051513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122053567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245396 + ... + 1245493.

It is an arithmetic number, because the mean of its divisors is an integer number (23663455).

Almost surely, 2^122053561 is an apocalyptic number.

It is an amenable number.

122053561 is a deficient number, since it is larger than the sum of its proper divisors (19927169).

122053561 is an equidigital number, since it uses as much as digits as its factorization.

122053561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490903 (or 2490896 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 122053561 is about 11047.7853436786. The cubic root of 122053561 is about 496.0401364178.

The spelling of 122053561 in words is "one hundred twenty-two million, fifty-three thousand, five hundred sixty-one".