21134301 has 8 divisors (see below), whose sum is σ = 29150880. Its totient is φ = 13603632.

The previous prime is 21134293. The next prime is 21134353. The reversal of 21134301 is 10343112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21134301 - 2³ = 21134293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21134501) 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, 121375 + ... + 121548.

It is an arithmetic number, because the mean of its divisors is an integer number (3643860).

Almost surely, 2^21134301 is an apocalyptic number.

It is an amenable number.

21134301 is a deficient number, since it is larger than the sum of its proper divisors (8016579).

21134301 is a wasteful number, since it uses less digits than its factorization.

21134301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242955.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 21134301 is about 4597.2057817766. The cubic root of 21134301 is about 276.4793052516.

Adding to 21134301 its reverse (10343112), we get a palindrome (31477413).

The spelling of 21134301 in words is "twenty-one million, one hundred thirty-four thousand, three hundred one".