122705216 has 28 divisors (see below), whose sum is σ = 244876320. Its totient is φ = 61004160.

The previous prime is 122705213. The next prime is 122705227. The reversal of 122705216 is 612507221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122705213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101 + ... + 16811.

Almost surely, 2^122705216 is an apocalyptic number.

122705216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122705216 is a deficient number, since it is larger than the sum of its proper divisors (122171104).

122705216 is a wasteful number, since it uses less digits than its factorization.

122705216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 122705216 is about 11077.2386450776. The cubic root of 122705216 is about 496.9213709923.

The spelling of 122705216 in words is "one hundred twenty-two million, seven hundred five thousand, two hundred sixteen".