122551356746 has 64 divisors (see below), whose sum is σ = 239638113792. Its totient is φ = 45614610432.

The previous prime is 122551356713. The next prime is 122551356749. The reversal of 122551356746 is 647653155221.

It is a self number, because there is not a number n which added to its sum of digits gives 122551356746.

It is not an unprimeable number, because it can be changed into a prime (122551356749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13785515 + ... + 13794401.

It is an arithmetic number, because the mean of its divisors is an integer number (3744345528).

Almost surely, 2^122551356746 is an apocalyptic number.

122551356746 is a deficient number, since it is larger than the sum of its proper divisors (117086757046).

122551356746 is a wasteful number, since it uses less digits than its factorization.

122551356746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its digits is 1512000, while the sum is 47.

The spelling of 122551356746 in words is "one hundred twenty-two billion, five hundred fifty-one million, three hundred fifty-six thousand, seven hundred forty-six".