21034119 has 8 divisors (see below), whose sum is σ = 28069632. Its totient is φ = 14010680.

The previous prime is 21034067. The next prime is 21034129. The reversal of 21034119 is 91143012.

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 21034119 - 2¹⁶ = 20968583 is a prime.

It is a super-2 number, since 2×21034119² = 884868324212322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21034095 and 21034104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (3508704).

Almost surely, 2^21034119 is an apocalyptic number.

21034119 is a deficient number, since it is larger than the sum of its proper divisors (7035513).

21034119 is a wasteful number, since it uses less digits than its factorization.

21034119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 21034119 is about 4586.2968722053. The cubic root of 21034119 is about 276.0417522427.

The spelling of 21034119 in words is "twenty-one million, thirty-four thousand, one hundred nineteen".