123141211 has 2 divisors, whose sum is σ = 123141212. Its totient is φ = 123141210.

The previous prime is 123141197. The next prime is 123141229. The reversal of 123141211 is 112141321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123141211 - 2¹³ = 123133019 is a prime.

It is equal to p_7010242 and since 123141211 and 7010242 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123141281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61570605 + 61570606.

It is an arithmetic number, because the mean of its divisors is an integer number (61570606).

Almost surely, 2^123141211 is an apocalyptic number.

123141211 is a deficient number, since it is larger than the sum of its proper divisors (1).

123141211 is an equidigital number, since it uses as much as digits as its factorization.

123141211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 16.

The square root of 123141211 is about 11096.9009637826. The cubic root of 123141211 is about 497.5092273736.

Adding to 123141211 its reverse (112141321), we get a palindrome (235282532).

The spelling of 123141211 in words is "one hundred twenty-three million, one hundred forty-one thousand, two hundred eleven".