10653121 has 8 divisors (see below), whose sum is σ = 11278080. Its totient is φ = 10045392.

The previous prime is 10653113. The next prime is 10653157. The reversal of 10653121 is 12135601.

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

It is a cyclic number.

It is not a de Polignac number, because 10653121 - 2³ = 10653113 is a prime.

It is a super-3 number, since 3×10653121³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10653221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (1409760).

Almost surely, 2^10653121 is an apocalyptic number.

It is an amenable number.

10653121 is a deficient number, since it is larger than the sum of its proper divisors (624959).

10653121 is an equidigital number, since it uses as much as digits as its factorization.

10653121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10653121 is about 3263.9119167036. The cubic root of 10653121 is about 220.0352629426.

Adding to 10653121 its reverse (12135601), we get a palindrome (22788722).

It can be divided in two parts, 1065 and 3121, that added together give a triangular number (4186 = T₉₁).

The spelling of 10653121 in words is "ten million, six hundred fifty-three thousand, one hundred twenty-one".