122445555783 has 16 divisors (see below), whose sum is σ = 163705324800. Its totient is φ = 81408191040.

The previous prime is 122445555779. The next prime is 122445555833. The reversal of 122445555783 is 387555544221.

It is a happy number.

It is not a de Polignac number, because 122445555783 - 2² = 122445555779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122445555383) 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, 5214078 + ... + 5237508.

It is an arithmetic number, because the mean of its divisors is an integer number (10231582800).

Almost surely, 2^122445555783 is an apocalyptic number.

122445555783 is a deficient number, since it is larger than the sum of its proper divisors (41259769017).

122445555783 is a wasteful number, since it uses less digits than its factorization.

122445555783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28102.

The product of its digits is 6720000, while the sum is 51.

The spelling of 122445555783 in words is "one hundred twenty-two billion, four hundred forty-five million, five hundred fifty-five thousand, seven hundred eighty-three".