122663641254 has 32 divisors (see below), whose sum is σ = 305862587136. Its totient is φ = 31860685920.

The previous prime is 122663641213. The next prime is 122663641259. The reversal of 122663641254 is 452146366221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122663641259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132752397 + ... + 132753320.

It is an arithmetic number, because the mean of its divisors is an integer number (9558205848).

Almost surely, 2^122663641254 is an apocalyptic number.

122663641254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122663641254 is an abundant number, since it is smaller than the sum of its proper divisors (183198945882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122663641254 is a wasteful number, since it uses less digits than its factorization.

122663641254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265505740.

The product of its digits is 414720, while the sum is 42.

The spelling of 122663641254 in words is "one hundred twenty-two billion, six hundred sixty-three million, six hundred forty-one thousand, two hundred fifty-four".