214128047 has 16 divisors (see below), whose sum is σ = 249983232. Its totient is φ = 179625600.

The previous prime is 214128041. The next prime is 214128059. The reversal of 214128047 is 740821412.

It is not a de Polignac number, because 214128047 - 2⁶ = 214127983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214128041) 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, 75047 + ... + 77847.

It is an arithmetic number, because the mean of its divisors is an integer number (15623952).

Almost surely, 2^214128047 is an apocalyptic number.

214128047 is a deficient number, since it is larger than the sum of its proper divisors (35855185).

214128047 is a wasteful number, since it uses less digits than its factorization.

214128047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 214128047 is about 14633.1147402048. The cubic root of 214128047 is about 598.2616787811.

Adding to 214128047 its reverse (740821412), we get a palindrome (954949459).

The spelling of 214128047 in words is "two hundred fourteen million, one hundred twenty-eight thousand, forty-seven".