122104512 has 84 divisors (see below), whose sum is σ = 356021640. Its totient is φ = 40000512.

The previous prime is 122104511. The next prime is 122104513. The reversal of 122104512 is 215401221.

122104512 is a `hidden beast` number, since 1 + 2 + 210 + 451 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (122104511) and next prime (122104513).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122104511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32188 + ... + 35780.

Almost surely, 2^122104512 is an apocalyptic number.

122104512 is a gapful number since it is divisible by the number (12) 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 122104512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178010820).

122104512 is an abundant number, since it is smaller than the sum of its proper divisors (233917128).

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

122104512 is a wasteful number, since it uses less digits than its factorization.

122104512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 122104512 is about 11050.0910403489. The cubic root of 122104512 is about 496.1091504495.

Adding to 122104512 its reverse (215401221), we get a palindrome (337505733).

The spelling of 122104512 in words is "one hundred twenty-two million, one hundred four thousand, five hundred twelve".