124150561 has 2 divisors, whose sum is σ = 124150562. Its totient is φ = 124150560.

The previous prime is 124150489. The next prime is 124150571. The reversal of 124150561 is 165051421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123632161 + 518400 = 11119^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 124150561 - 2¹¹ = 124148513 is a prime.

It is a super-2 number, since 2×124150561² = 30826723593229442, which contains 22 as substring.

It is equal to p_7064503 and since 124150561 and 7064503 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (124150571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62075280 + 62075281.

It is an arithmetic number, because the mean of its divisors is an integer number (62075281).

Almost surely, 2^124150561 is an apocalyptic number.

It is an amenable number.

124150561 is a deficient number, since it is larger than the sum of its proper divisors (1).

124150561 is an equidigital number, since it uses as much as digits as its factorization.

124150561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 124150561 is about 11142.2870632559. The cubic root of 124150561 is about 498.8648394380.

The spelling of 124150561 in words is "one hundred twenty-four million, one hundred fifty thousand, five hundred sixty-one".