122878800254 has 8 divisors (see below), whose sum is σ = 210649371888. Its totient is φ = 52662342960.

The previous prime is 122878800251. The next prime is 122878800337. The reversal of 122878800254 is 452008878221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122878800199 and 122878800208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122878800251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388528567 + ... + 4388528594.

It is an arithmetic number, because the mean of its divisors is an integer number (26331171486).

Almost surely, 2^122878800254 is an apocalyptic number.

122878800254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122878800254 is a deficient number, since it is larger than the sum of its proper divisors (87770571634).

122878800254 is an equidigital number, since it uses as much as digits as its factorization.

122878800254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777057170.

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 122878800254 in words is "one hundred twenty-two billion, eight hundred seventy-eight million, eight hundred thousand, two hundred fifty-four".