123525036 has 72 divisors (see below), whose sum is σ = 325306800. Its totient is φ = 39473280.

The previous prime is 123525029. The next prime is 123525037. The reversal of 123525036 is 630525321.

It is not an unprimeable number, because it can be changed into a prime (123525037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186546 + ... + 187206.

It is an arithmetic number, because the mean of its divisors is an integer number (4518150).

Almost surely, 2^123525036 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 123525036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162653400).

123525036 is an abundant number, since it is smaller than the sum of its proper divisors (201781764).

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

123525036 is a wasteful number, since it uses less digits than its factorization.

123525036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 123525036 is about 11114.1817512582. The cubic root of 123525036 is about 498.0255950459.

The spelling of 123525036 in words is "one hundred twenty-three million, five hundred twenty-five thousand, thirty-six".