124589261 has 2 divisors, whose sum is σ = 124589262. Its totient is φ = 124589260.

The previous prime is 124589221. The next prime is 124589263. The reversal of 124589261 is 162985421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 155236 = 11155^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 124589261 - 2⁶ = 124589197 is a prime.

It is a super-2 number, since 2×124589261² = 31044967913052242, which contains 22 as substring.

Together with 124589263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124589263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62294630 + 62294631.

It is an arithmetic number, because the mean of its divisors is an integer number (62294631).

Almost surely, 2^124589261 is an apocalyptic number.

It is an amenable number.

124589261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124589261 is an equidigital number, since it uses as much as digits as its factorization.

124589261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 124589261 is about 11161.9559665858. The cubic root of 124589261 is about 499.4517470571.

The spelling of 124589261 in words is "one hundred twenty-four million, five hundred eighty-nine thousand, two hundred sixty-one".