123020052 has 12 divisors (see below), whose sum is σ = 287046816. Its totient is φ = 41006680.

The previous prime is 123020047. The next prime is 123020087. The reversal of 123020052 is 250020321.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5125824 + ... + 5125847.

It is an arithmetic number, because the mean of its divisors is an integer number (23920568).

Almost surely, 2^123020052 is an apocalyptic number.

123020052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123020052 is an abundant number, since it is smaller than the sum of its proper divisors (164026764).

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

123020052 is a wasteful number, since it uses less digits than its factorization.

123020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251678 (or 10251676 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 123020052 is about 11091.4404835441. The cubic root of 123020052 is about 497.3460068997.

Adding to 123020052 its reverse (250020321), we get a palindrome (373040373).

The spelling of 123020052 in words is "one hundred twenty-three million, twenty thousand, fifty-two".