214054721 has 16 divisors (see below), whose sum is σ = 231518208. Its totient is φ = 197326800.

The previous prime is 214054717. The next prime is 214054733. The reversal of 214054721 is 127450412.

It is a cyclic number.

It is not a de Polignac number, because 214054721 - 2² = 214054717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214054751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235550 + ... + 236456.

It is an arithmetic number, because the mean of its divisors is an integer number (14469888).

Almost surely, 2^214054721 is an apocalyptic number.

It is an amenable number.

214054721 is a deficient number, since it is larger than the sum of its proper divisors (17463487).

214054721 is a wasteful number, since it uses less digits than its factorization.

214054721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 214054721 is about 14630.6090440555. The cubic root of 214054721 is about 598.1933814160.

The spelling of 214054721 in words is "two hundred fourteen million, fifty-four thousand, seven hundred twenty-one".