124011289 has 2 divisors, whose sum is σ = 124011290. Its totient is φ = 124011288.

The previous prime is 124011263. The next prime is 124011301. The reversal of 124011289 is 982110421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123943689 + 67600 = 11133^2 + 260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124011289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124041289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62005644 + 62005645.

It is an arithmetic number, because the mean of its divisors is an integer number (62005645).

Almost surely, 2^124011289 is an apocalyptic number.

It is an amenable number.

124011289 is a deficient number, since it is larger than the sum of its proper divisors (1).

124011289 is an equidigital number, since it uses as much as digits as its factorization.

124011289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 124011289 is about 11136.0356051873. The cubic root of 124011289 is about 498.6782275810.

The spelling of 124011289 in words is "one hundred twenty-four million, eleven thousand, two hundred eighty-nine".