122776884 has 30 divisors (see below), whose sum is σ = 320963874. Its totient is φ = 40925520.

The previous prime is 122776883. The next prime is 122776903. The reversal of 122776884 is 488677221.

It can be written as a sum of positive squares in only one way, i.e., 105637284 + 17139600 = 10278^2 + 4140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122776883) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 189147 + ... + 189794.

Almost surely, 2^122776884 is an apocalyptic number.

It is an amenable number.

122776884 is an abundant number, since it is smaller than the sum of its proper divisors (198186990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122776884 is a wasteful number, since it uses less digits than its factorization.

122776884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378957 (or 378946 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 122776884 is about 11080.4730945930. The cubic root of 122776884 is about 497.0180971971.

The spelling of 122776884 in words is "one hundred twenty-two million, seven hundred seventy-six thousand, eight hundred eighty-four".