122538646 has 16 divisors (see below), whose sum is σ = 185457600. Its totient is φ = 60722368.

The previous prime is 122538631. The next prime is 122538649. The reversal of 122538646 is 646835221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122538649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128106 + ... + 129058.

It is an arithmetic number, because the mean of its divisors is an integer number (11591100).

Almost surely, 2^122538646 is an apocalyptic number.

122538646 is a deficient number, since it is larger than the sum of its proper divisors (62918954).

122538646 is a wasteful number, since it uses less digits than its factorization.

122538646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its digits is 69120, while the sum is 37.

The square root of 122538646 is about 11069.7175212378. The cubic root of 122538646 is about 496.6964153965.

The spelling of 122538646 in words is "one hundred twenty-two million, five hundred thirty-eight thousand, six hundred forty-six".