52120123 has 4 divisors (see below), whose sum is σ = 56858328. Its totient is φ = 47381920.

The previous prime is 52120121. The next prime is 52120183. The reversal of 52120123 is 32102125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52120123 - 2¹ = 52120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52120097 and 52120106.

It is not an unprimeable number, because it can be changed into a prime (52120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369086 + ... + 2369107.

It is an arithmetic number, because the mean of its divisors is an integer number (14214582).

Almost surely, 2^52120123 is an apocalyptic number.

52120123 is a deficient number, since it is larger than the sum of its proper divisors (4738205).

52120123 is a wasteful number, since it uses less digits than its factorization.

52120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738204.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52120123 is about 7219.4267777989. The cubic root of 52120123 is about 373.5383051907.

Adding to 52120123 its reverse (32102125), we get a palindrome (84222248).

The spelling of 52120123 in words is "fifty-two million, one hundred twenty thousand, one hundred twenty-three".