10550121 has 8 divisors (see below), whose sum is σ = 14082144. Its totient is φ = 7025760.

The previous prime is 10550101. The next prime is 10550129. The reversal of 10550121 is 12105501.

10550121 is a nontrivial binomial coefficient, being equal to C(4594, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10550121 - 2¹¹ = 10548073 is a prime.

It is a super-2 number, since 2×10550121² = 222610106229282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10550121.

It is not an unprimeable number, because it can be changed into a prime (10550129) 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 7 ways as a sum of consecutive naturals, for example, 3445 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (1760268).

Almost surely, 2^10550121 is an apocalyptic number.

10550121 is the 4593-rd triangular number and also the 2297-th hexagonal number.

It is an amenable number.

10550121 is a deficient number, since it is larger than the sum of its proper divisors (3532023).

10550121 is a wasteful number, since it uses less digits than its factorization.

10550121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 10550121 is about 3248.0949801384. The cubic root of 10550121 is about 219.3238261006.

Adding to 10550121 its reverse (12105501), we get a palindrome (22655622).

The spelling of 10550121 in words is "ten million, five hundred fifty thousand, one hundred twenty-one".