122694912 has 180 divisors, whose sum is σ = 375685156. Its totient is φ = 39813120.

The previous prime is 122694881. The next prime is 122694917. The reversal of 122694912 is 219496221.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 98724096 = 4896^2 + 9936^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122694917) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1264848 + ... + 1264944.

Almost surely, 2^122694912 is an apocalyptic number.

122694912 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 122694912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187842578).

122694912 is an abundant number, since it is smaller than the sum of its proper divisors (252990244).

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

122694912 is an frugal number, since it uses more digits than its factorization.

122694912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 122694912 is about 11076.7735374521. The cubic root of 122694912 is about 496.9074611758.

It can be divided in two parts, 1226949 and 12, that added together give a triangular number (1226961 = T₁₅₆₆).

The spelling of 122694912 in words is "one hundred twenty-two million, six hundred ninety-four thousand, nine hundred twelve".