10649121 has 32 divisors (see below), whose sum is σ = 16896000. Its totient is φ = 5962320.

The previous prime is 10649113. The next prime is 10649129. The reversal of 10649121 is 12194601.

It is an interprime number because it is at equal distance from previous prime (10649113) and next prime (10649129).

It is not a de Polignac number, because 10649121 - 2³ = 10649113 is a prime.

It is a super-2 number, since 2×10649121² = 226807556145282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10649091 and 10649100.

It is not an unprimeable number, because it can be changed into a prime (10649129) 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 31 ways as a sum of consecutive naturals, for example, 81226 + ... + 81356.

It is an arithmetic number, because the mean of its divisors is an integer number (528000).

Almost surely, 2^10649121 is an apocalyptic number.

It is an amenable number.

10649121 is a deficient number, since it is larger than the sum of its proper divisors (6246879).

10649121 is an equidigital number, since it uses as much as digits as its factorization.

10649121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10649121 is about 3263.2990975392. The cubic root of 10649121 is about 220.0077201148.

The spelling of 10649121 in words is "ten million, six hundred forty-nine thousand, one hundred twenty-one".