12021134 has 8 divisors (see below), whose sum is σ = 18815760. Its totient is φ = 5749216.

The previous prime is 12021131. The next prime is 12021179. The reversal of 12021134 is 43112021.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130619 + ... + 130710.

It is an arithmetic number, because the mean of its divisors is an integer number (2351970).

Almost surely, 2^12021134 is an apocalyptic number.

12021134 is a deficient number, since it is larger than the sum of its proper divisors (6794626).

12021134 is a wasteful number, since it uses less digits than its factorization.

12021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261354.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12021134 is about 3467.1507033874. The cubic root of 12021134 is about 229.0771718574.

Adding to 12021134 its reverse (43112021), we get a palindrome (55133155).

The spelling of 12021134 in words is "twelve million, twenty-one thousand, one hundred thirty-four".