122711064 has 128 divisors (see below), whose sum is σ = 368064000. Its totient is φ = 33352704.

The previous prime is 122711053. The next prime is 122711089. The reversal of 122711064 is 460117221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433467 + ... + 433749.

It is an arithmetic number, because the mean of its divisors is an integer number (2875500).

Almost surely, 2^122711064 is an apocalyptic number.

122711064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122711064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184032000).

122711064 is an abundant number, since it is smaller than the sum of its proper divisors (245352936).

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

122711064 is a wasteful number, since it uses less digits than its factorization.

122711064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 122711064 is about 11077.5026066348. The cubic root of 122711064 is about 496.9292651148.

Adding to 122711064 its reverse (460117221), we get a palindrome (582828285).

The spelling of 122711064 in words is "one hundred twenty-two million, seven hundred eleven thousand, sixty-four".