52120105 has 8 divisors (see below), whose sum is σ = 64701000. Its totient is φ = 40258176.

The previous prime is 52120067. The next prime is 52120109. The reversal of 52120105 is 50102125.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 50737129 = 1176^2 + 7123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52120105 - 2¹¹ = 52118057 is a prime.

It is a super-2 number, since 2×52120105² = 5433010690422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52120109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179580 + ... + 179869.

It is an arithmetic number, because the mean of its divisors is an integer number (8087625).

Almost surely, 2^52120105 is an apocalyptic number.

It is an amenable number.

52120105 is a deficient number, since it is larger than the sum of its proper divisors (12580895).

52120105 is a wasteful number, since it uses less digits than its factorization.

52120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359483.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52120105 is about 7219.4255311624. The cubic root of 52120105 is about 373.5382621894.

It can be divided in two parts, 52120 and 105, that added together give a palindrome (52225).

The spelling of 52120105 in words is "fifty-two million, one hundred twenty thousand, one hundred five".