921052 has 24 divisors (see below), whose sum is σ = 1783152. Its totient is φ = 416240.

The previous prime is 921031. The next prime is 921073. The reversal of 921052 is 250129.

It is an interprime number because it is at equal distance from previous prime (921031) and next prime (921073).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

921052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238 + ... + 5410.

It is an arithmetic number, because the mean of its divisors is an integer number (74298).

2⁹²¹⁰⁵² is an apocalyptic number.

It is an amenable number.

921052 is a deficient number, since it is larger than the sum of its proper divisors (862100).

921052 is a wasteful number, since it uses less digits than its factorization.

921052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 921052 is about 959.7145408922. The cubic root of 921052 is about 97.2959396402.

The spelling of 921052 in words is "nine hundred twenty-one thousand, fifty-two".