122400055453 has 16 divisors (see below), whose sum is σ = 136516133376. Its totient is φ = 109023223680.

The previous prime is 122400055451. The next prime is 122400055469. The reversal of 122400055453 is 354550004221.

It is a cyclic number.

It is not a de Polignac number, because 122400055453 - 2¹ = 122400055451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400055451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367376 + ... + 1454137.

It is an arithmetic number, because the mean of its divisors is an integer number (8532258336).

Almost surely, 2^122400055453 is an apocalyptic number.

122400055453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122400055453 is a deficient number, since it is larger than the sum of its proper divisors (14116077923).

122400055453 is a wasteful number, since it uses less digits than its factorization.

122400055453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821644.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 122400055453 its reverse (354550004221), we get a palindrome (476950059674).

The spelling of 122400055453 in words is "one hundred twenty-two billion, four hundred million, fifty-five thousand, four hundred fifty-three".