234870121 has 2 divisors, whose sum is σ = 234870122. Its totient is φ = 234870120.

The previous prime is 234870071. The next prime is 234870131. The reversal of 234870121 is 121078432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223173721 + 11696400 = 14939^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 234870121 - 2¹⁵ = 234837353 is a prime.

It is equal to p_12895300 and since 234870121 and 12895300 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234870121.

It is not a weakly prime, because it can be changed into another prime (234870131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117435060 + 117435061.

It is an arithmetic number, because the mean of its divisors is an integer number (117435061).

Almost surely, 2^234870121 is an apocalyptic number.

It is an amenable number.

234870121 is a deficient number, since it is larger than the sum of its proper divisors (1).

234870121 is an equidigital number, since it uses as much as digits as its factorization.

234870121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 234870121 is about 15325.4729453939. The cubic root of 234870121 is about 616.9868726450.

The spelling of 234870121 in words is "two hundred thirty-four million, eight hundred seventy thousand, one hundred twenty-one".