123020528 has 20 divisors (see below), whose sum is σ = 240175848. Its totient is φ = 61039680.

The previous prime is 123020507. The next prime is 123020533. The reversal of 123020528 is 825020321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27251 + ... + 31442.

Almost surely, 2^123020528 is an apocalyptic number.

It is an amenable number.

123020528 is a deficient number, since it is larger than the sum of its proper divisors (117155320).

123020528 is a wasteful number, since it uses less digits than its factorization.

123020528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58832 (or 58826 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 123020528 is about 11091.4619415116. The cubic root of 123020528 is about 497.3466483572.

Adding to 123020528 its reverse (825020321), we get a palindrome (948040849).

The spelling of 123020528 in words is "one hundred twenty-three million, twenty thousand, five hundred twenty-eight".