10921125 has 16 divisors (see below), whose sum is σ = 18173376. Its totient is φ = 5824400.

The previous prime is 10921121. The next prime is 10921147. The reversal of 10921125 is 52112901.

It is not a de Polignac number, because 10921125 - 2² = 10921121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14187 + ... + 14936.

It is an arithmetic number, because the mean of its divisors is an integer number (1135836).

Almost surely, 2^10921125 is an apocalyptic number.

10921125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10921125 is a deficient number, since it is larger than the sum of its proper divisors (7252251).

10921125 is an equidigital number, since it uses as much as digits as its factorization.

10921125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29141 (or 29131 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10921125 is about 3304.7125442313. The cubic root of 10921125 is about 221.8651685123.

The spelling of 10921125 in words is "ten million, nine hundred twenty-one thousand, one hundred twenty-five".