122049656 has 8 divisors (see below), whose sum is σ = 228843120. Its totient is φ = 61024824.

The previous prime is 122049637. The next prime is 122049659. The reversal of 122049656 is 656940221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×122049656² = 29792237059436672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122049659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7628096 + ... + 7628111.

It is an arithmetic number, because the mean of its divisors is an integer number (28605390).

Almost surely, 2^122049656 is an apocalyptic number.

It is an amenable number.

122049656 is a deficient number, since it is larger than the sum of its proper divisors (106793464).

122049656 is a wasteful number, since it uses less digits than its factorization.

122049656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256213 (or 15256209 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 122049656 is about 11047.6086100115. The cubic root of 122049656 is about 496.0348462338.

Adding to 122049656 its reverse (656940221), we get a palindrome (778989877).

The spelling of 122049656 in words is "one hundred twenty-two million, forty-nine thousand, six hundred fifty-six".