124575401 has 2 divisors, whose sum is σ = 124575402. Its totient is φ = 124575400.

The previous prime is 124575389. The next prime is 124575403. The reversal of 124575401 is 104575421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 141376 = 11155^2 + 376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124575401 is a prime.

Together with 124575403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124575403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62287700 + 62287701.

It is an arithmetic number, because the mean of its divisors is an integer number (62287701).

Almost surely, 2^124575401 is an apocalyptic number.

It is an amenable number.

124575401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124575401 is an equidigital number, since it uses as much as digits as its factorization.

124575401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 124575401 is about 11161.3350903913. The cubic root of 124575401 is about 499.4332257767.

The spelling of 124575401 in words is "one hundred twenty-four million, five hundred seventy-five thousand, four hundred one".