122000656 has 10 divisors (see below), whose sum is σ = 236376302. Its totient is φ = 61000320.

The previous prime is 122000623. The next prime is 122000663. The reversal of 122000656 is 656000221.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 20394256 = 10080^2 + 4516^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812505 + ... + 3812536.

Almost surely, 2^122000656 is an apocalyptic number.

122000656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122000656 is a deficient number, since it is larger than the sum of its proper divisors (114375646).

122000656 is an equidigital number, since it uses as much as digits as its factorization.

122000656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625049 (or 7625043 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 122000656 is about 11045.3907128720. The cubic root of 122000656 is about 495.9684553300.

Adding to 122000656 its reverse (656000221), we get a palindrome (778000877).

The spelling of 122000656 in words is "one hundred twenty-two million, six hundred fifty-six", and thus it is an aban number.