52120406 has 8 divisors (see below), whose sum is σ = 84194544. Its totient is φ = 24055560.

The previous prime is 52120381. The next prime is 52120427. The reversal of 52120406 is 60402125.

It is a happy number.

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

It is a Curzon number.

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, 1002290 + ... + 1002341.

It is an arithmetic number, because the mean of its divisors is an integer number (10524318).

Almost surely, 2^52120406 is an apocalyptic number.

52120406 is a deficient number, since it is larger than the sum of its proper divisors (32074138).

52120406 is a wasteful number, since it uses less digits than its factorization.

52120406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004646.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52120406 is about 7219.4463776664. The cubic root of 52120406 is about 373.5389812645.

The spelling of 52120406 in words is "fifty-two million, one hundred twenty thousand, four hundred six".