122656095815 has 8 divisors (see below), whose sum is σ = 160567980048. Its totient is φ = 89204433280.

The previous prime is 122656095811. The next prime is 122656095839. The reversal of 122656095815 is 518590656221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122656095815 - 2² = 122656095811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122656095811) 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, 1115055362 + ... + 1115055471.

It is an arithmetic number, because the mean of its divisors is an integer number (20070997506).

Almost surely, 2^122656095815 is an apocalyptic number.

122656095815 is a deficient number, since it is larger than the sum of its proper divisors (37911884233).

122656095815 is a wasteful number, since it uses less digits than its factorization.

122656095815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230110849.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 122656095815 in words is "one hundred twenty-two billion, six hundred fifty-six million, ninety-five thousand, eight hundred fifteen".