122120016 has 20 divisors (see below), whose sum is σ = 315476832. Its totient is φ = 40706656.

The previous prime is 122119969. The next prime is 122120023. The reversal of 122120016 is 610021221.

It is a junction number, because it is equal to n+sod(n) for n = 122119977 and 122120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272036 + ... + 1272131.

Almost surely, 2^122120016 is an apocalyptic number.

122120016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122120016 is an abundant number, since it is smaller than the sum of its proper divisors (193356816).

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

122120016 is a wasteful number, since it uses less digits than its factorization.

122120016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544178 (or 2544172 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 122120016 is about 11050.7925507630. The cubic root of 122120016 is about 496.1301470821.

Adding to 122120016 its reverse (610021221), we get a palindrome (732141237).

The spelling of 122120016 in words is "one hundred twenty-two million, one hundred twenty thousand, sixteen".