124541281 has 2 divisors, whose sum is σ = 124541282. Its totient is φ = 124541280.

The previous prime is 124541239. The next prime is 124541293. The reversal of 124541281 is 182145421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67387681 + 57153600 = 8209^2 + 7560^2 .

It is an emirp because it is prime and its reverse (182145421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124541281 - 2⁹ = 124540769 is a prime.

It is a super-2 number, since 2×124541281² = 31021061346241922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124542281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62270640 + 62270641.

It is an arithmetic number, because the mean of its divisors is an integer number (62270641).

Almost surely, 2^124541281 is an apocalyptic number.

It is an amenable number.

124541281 is a deficient number, since it is larger than the sum of its proper divisors (1).

124541281 is an equidigital number, since it uses as much as digits as its factorization.

124541281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 28.

The square root of 124541281 is about 11159.8064947382. The cubic root of 124541281 is about 499.3876249665.

The spelling of 124541281 in words is "one hundred twenty-four million, five hundred forty-one thousand, two hundred eighty-one".