122451354455 has 16 divisors (see below), whose sum is σ = 149194444800. Its totient is φ = 96465751200.

The previous prime is 122451354407. The next prime is 122451354461. The reversal of 122451354455 is 554453154221.

It is a happy number.

It is not a de Polignac number, because 122451354455 - 2⁶ = 122451354391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259271 + ... + 558680.

It is an arithmetic number, because the mean of its divisors is an integer number (9324652800).

Almost surely, 2^122451354455 is an apocalyptic number.

122451354455 is a deficient number, since it is larger than the sum of its proper divisors (26743090345).

122451354455 is an equidigital number, since it uses as much as digits as its factorization.

122451354455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818414.

The product of its digits is 480000, while the sum is 41.

The spelling of 122451354455 in words is "one hundred twenty-two billion, four hundred fifty-one million, three hundred fifty-four thousand, four hundred fifty-five".