122656025 has 6 divisors (see below), whose sum is σ = 152093502. Its totient is φ = 98124800.

The previous prime is 122656019. The next prime is 122656049. The reversal of 122656025 is 520656221.

It can be written as a sum of positive squares in 3 ways, for example, as 43943641 + 78712384 = 6629^2 + 8872^2 .

It is not a de Polignac number, because 122656025 - 2⁶ = 122655961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2453096 + ... + 2453145.

It is an arithmetic number, because the mean of its divisors is an integer number (25348917).

Almost surely, 2^122656025 is an apocalyptic number.

It is an amenable number.

122656025 is a deficient number, since it is larger than the sum of its proper divisors (29437477).

122656025 is an equidigital number, since it uses as much as digits as its factorization.

122656025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906251 (or 4906246 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 122656025 is about 11075.0180586760. The cubic root of 122656025 is about 496.8549589111.

The spelling of 122656025 in words is "one hundred twenty-two million, six hundred fifty-six thousand, twenty-five".