122776121 has 8 divisors (see below), whose sum is σ = 132525120. Its totient is φ = 113070672.

The previous prime is 122776117. The next prime is 122776127. The reversal of 122776121 is 121677221.

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

It is not a de Polignac number, because 122776121 - 2² = 122776117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122776127) 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, 4901 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (16565640).

Almost surely, 2^122776121 is an apocalyptic number.

It is an amenable number.

122776121 is a deficient number, since it is larger than the sum of its proper divisors (9748999).

122776121 is a wasteful number, since it uses less digits than its factorization.

122776121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21775.

The product of its digits is 2352, while the sum is 29.

The square root of 122776121 is about 11080.4386646017. The cubic root of 122776121 is about 497.0170676179.

The spelling of 122776121 in words is "one hundred twenty-two million, seven hundred seventy-six thousand, one hundred twenty-one".