122664884 has 6 divisors (see below), whose sum is σ = 214663554. Its totient is φ = 61332440.

The previous prime is 122664881. The next prime is 122664887. The reversal of 122664884 is 488466221.

It is an interprime number because it is at equal distance from previous prime (122664881) and next prime (122664887).

It can be written as a sum of positive squares in only one way, i.e., 120384784 + 2280100 = 10972^2 + 1510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122664881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333107 + ... + 15333114.

It is an arithmetic number, because the mean of its divisors is an integer number (35777259).

Almost surely, 2^122664884 is an apocalyptic number.

It is an amenable number.

122664884 is a deficient number, since it is larger than the sum of its proper divisors (91998670).

122664884 is a wasteful number, since it uses less digits than its factorization.

122664884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666225 (or 30666223 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 122664884 is about 11075.4180056556. The cubic root of 122664884 is about 496.8669206339.

The spelling of 122664884 in words is "one hundred twenty-two million, six hundred sixty-four thousand, eight hundred eighty-four".