122443640774 has 32 divisors (see below), whose sum is σ = 237947162880. Its totient is φ = 45889807392.

The previous prime is 122443640741. The next prime is 122443640807. The reversal of 122443640774 is 477046344221.

It is an interprime number because it is at equal distance from previous prime (122443640741) and next prime (122443640807).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17700944 + ... + 17707859.

It is an arithmetic number, because the mean of its divisors is an integer number (7435848840).

Almost surely, 2^122443640774 is an apocalyptic number.

122443640774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122443640774 is a deficient number, since it is larger than the sum of its proper divisors (115503522106).

122443640774 is a wasteful number, since it uses less digits than its factorization.

122443640774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35408844.

The product of its (nonzero) digits is 903168, while the sum is 44.

Adding to 122443640774 its reverse (477046344221), we get a palindrome (599489984995).

The spelling of 122443640774 in words is "one hundred twenty-two billion, four hundred forty-three million, six hundred forty thousand, seven hundred seventy-four".