21410127 has 12 divisors (see below), whose sum is σ = 30989400. Its totient is φ = 14244048.

The previous prime is 21410117. The next prime is 21410141. The reversal of 21410127 is 72101412.

It is not a de Polignac number, because 21410127 - 2⁴ = 21410111 is a prime.

It is a super-2 number, since 2×21410127² = 916787076312258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410117) 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 11 ways as a sum of consecutive naturals, for example, 2749 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (2582450).

Almost surely, 2^21410127 is an apocalyptic number.

21410127 is a deficient number, since it is larger than the sum of its proper divisors (9579273).

21410127 is a wasteful number, since it uses less digits than its factorization.

21410127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 21410127 is about 4627.1078439993. The cubic root of 21410127 is about 277.6768971928.

Adding to 21410127 its reverse (72101412), we get a palindrome (93511539).

The spelling of 21410127 in words is "twenty-one million, four hundred ten thousand, one hundred twenty-seven".