102410021 has 16 divisors (see below), whose sum is σ = 119816064. Its totient is φ = 85722624.

The previous prime is 102409997. The next prime is 102410029. The reversal of 102410021 is 120014201.

It is a cyclic number.

It is not a de Polignac number, because 102410021 - 2¹⁴ = 102393637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102409984 and 102410011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102410029) 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, 53741 + ... + 55613.

It is an arithmetic number, because the mean of its divisors is an integer number (7488504).

Almost surely, 2^102410021 is an apocalyptic number.

It is an amenable number.

102410021 is a deficient number, since it is larger than the sum of its proper divisors (17406043).

102410021 is a wasteful number, since it uses less digits than its factorization.

102410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102410021 is about 10119.7836439323. The cubic root of 102410021 is about 467.8580988568.

Adding to 102410021 its reverse (120014201), we get a palindrome (222424222).

The spelling of 102410021 in words is "one hundred two million, four hundred ten thousand, twenty-one".