252120671 has 8 divisors (see below), whose sum is σ = 289516800. Its totient is φ = 217137240.

The previous prime is 252120667. The next prime is 252120683. The reversal of 252120671 is 176021252.

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 252120671 - 2² = 252120667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252120671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252120371) 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, 602951 + ... + 603368.

It is an arithmetic number, because the mean of its divisors is an integer number (36189600).

Almost surely, 2^252120671 is an apocalyptic number.

252120671 is a deficient number, since it is larger than the sum of its proper divisors (37396129).

252120671 is a wasteful number, since it uses less digits than its factorization.

252120671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206349.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 252120671 is about 15878.3081907362. The cubic root of 252120671 is about 631.7367639721.

The spelling of 252120671 in words is "two hundred fifty-two million, one hundred twenty thousand, six hundred seventy-one".