21482126 has 16 divisors (see below), whose sum is σ = 33643680. Its totient is φ = 10277280.

The previous prime is 21482117. The next prime is 21482137. The reversal of 21482126 is 62128412.

It is a happy number.

It is a super-2 number, since 2×21482126² = 922963474959752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21482095 and 21482104.

It is a congruent number.

It is an unprimeable number.

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, 2135 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (2102730).

Almost surely, 2^21482126 is an apocalyptic number.

21482126 is a deficient number, since it is larger than the sum of its proper divisors (12161554).

21482126 is a wasteful number, since it uses less digits than its factorization.

21482126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859.

The product of its digits is 1536, while the sum is 26.

The square root of 21482126 is about 4634.8814440070. The cubic root of 21482126 is about 277.9878106554.

The spelling of 21482126 in words is "twenty-one million, four hundred eighty-two thousand, one hundred twenty-six".