123061224 has 128 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 32904960.

The previous prime is 123061163. The next prime is 123061229. The reversal of 123061224 is 422160321.

It is a self number, because there is not a number n which added to its sum of digits gives 123061224.

It is not an unprimeable number, because it can be changed into a prime (123061229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78157 + ... + 79715.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^123061224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123061224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

123061224 is an abundant number, since it is smaller than the sum of its proper divisors (254333976).

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

123061224 is a wasteful number, since it uses less digits than its factorization.

123061224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 123061224 is about 11093.2963541050. The cubic root of 123061224 is about 497.4014841587.

It can be divided in two parts, 12306 and 1224, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 123061224 in words is "one hundred twenty-three million, sixty-one thousand, two hundred twenty-four".