122402403644 has 24 divisors (see below), whose sum is σ = 214656103200. Its totient is φ = 61072220160.

The previous prime is 122402403637. The next prime is 122402403691. The reversal of 122402403644 is 446304204221.

It is a self number, because there is not a number n which added to its sum of digits gives 122402403644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949529 + ... + 3980399.

It is an arithmetic number, because the mean of its divisors is an integer number (8944004300).

Almost surely, 2^122402403644 is an apocalyptic number.

It is an amenable number.

122402403644 is a deficient number, since it is larger than the sum of its proper divisors (92253699556).

122402403644 is a wasteful number, since it uses less digits than its factorization.

122402403644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32933 (or 32931 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 122402403644 its reverse (446304204221), we get a palindrome (568706607865).

The spelling of 122402403644 in words is "one hundred twenty-two billion, four hundred two million, four hundred three thousand, six hundred forty-four".