214370121 has 16 divisors (see below), whose sum is σ = 331136384. Its totient is φ = 120818304.

The previous prime is 214370083. The next prime is 214370137. The reversal of 214370121 is 121073412.

It is not a de Polignac number, because 214370121 - 2²³ = 205981513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214370021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68386 + ... + 71451.

It is an arithmetic number, because the mean of its divisors is an integer number (20696024).

Almost surely, 2^214370121 is an apocalyptic number.

214370121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214370121 is a deficient number, since it is larger than the sum of its proper divisors (116766263).

214370121 is a wasteful number, since it uses less digits than its factorization.

214370121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139920.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 214370121 is about 14641.3838485302. The cubic root of 214370121 is about 598.4870409091.

The spelling of 214370121 in words is "two hundred fourteen million, three hundred seventy thousand, one hundred twenty-one".