10121566 has 32 divisors (see below), whose sum is σ = 19676160. Its totient is φ = 3792096.

The previous prime is 10121561. The next prime is 10121603. The reversal of 10121566 is 66512101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121561) by changing a digit.

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, 1995 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (614880).

Almost surely, 2^10121566 is an apocalyptic number.

10121566 is a deficient number, since it is larger than the sum of its proper divisors (9554594).

10121566 is a wasteful number, since it uses less digits than its factorization.

10121566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10121566 is about 3181.4408685374. The cubic root of 10121566 is about 216.3129750767.

Adding to 10121566 its reverse (66512101), we get a palindrome (76633667).

The spelling of 10121566 in words is "ten million, one hundred twenty-one thousand, five hundred sixty-six".