122440453121 has 8 divisors (see below), whose sum is σ = 139934191680. Its totient is φ = 104947275888.

The previous prime is 122440453063. The next prime is 122440453127. The reversal of 122440453121 is 121354044221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122440453121 - 2²² = 122436258817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122440453127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560315 + ... + 747551.

It is an arithmetic number, because the mean of its divisors is an integer number (17491773960).

Almost surely, 2^122440453121 is an apocalyptic number.

It is an amenable number.

122440453121 is a deficient number, since it is larger than the sum of its proper divisors (17493738559).

122440453121 is an equidigital number, since it uses as much as digits as its factorization.

122440453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280663.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 122440453121 its reverse (121354044221), we get a palindrome (243794497342).

The spelling of 122440453121 in words is "one hundred twenty-two billion, four hundred forty million, four hundred fifty-three thousand, one hundred twenty-one".