921252000 has 96 divisors (see below), whose sum is σ = 3018060864. Its totient is φ = 245664000.

The previous prime is 921251963. The next prime is 921252023. The reversal of 921252000 is 252129.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26386 + ... + 50385.

It is an arithmetic number, because the mean of its divisors is an integer number (31438134).

Almost surely, 2^921252000 is an apocalyptic number.

It is an amenable number.

921252000 is an abundant number, since it is smaller than the sum of its proper divisors (2096808864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

921252000 is a wasteful number, since it uses less digits than its factorization.

921252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76799 (or 76781 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 921252000 is about 30352.1333681835. The cubic root of 921252000 is about 973.0298150809.

The spelling of 921252000 in words is "nine hundred twenty-one million, two hundred fifty-two thousand".