10260021 has 8 divisors (see below), whose sum is σ = 13695264. Its totient is φ = 6832400.

The previous prime is 10260013. The next prime is 10260059. The reversal of 10260021 is 12006201.

10260021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 10260021 - 2³ = 10260013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10259979 and 10260006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10260011) 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, 3175 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (1711908).

Almost surely, 2^10260021 is an apocalyptic number.

It is an amenable number.

10260021 is a deficient number, since it is larger than the sum of its proper divisors (3435243).

10260021 is a wasteful number, since it uses less digits than its factorization.

10260021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10260021 is about 3203.1267536581. The cubic root of 10260021 is about 217.2948415549.

Adding to 10260021 its reverse (12006201), we get a palindrome (22266222).

The spelling of 10260021 in words is "ten million, two hundred sixty thousand, twenty-one".