124531669 has 2 divisors, whose sum is σ = 124531670. Its totient is φ = 124531668.

The previous prime is 124531651. The next prime is 124531679. The reversal of 124531669 is 966135421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92891044 + 31640625 = 9638^2 + 5625^2 .

It is a cyclic number.

It is not a de Polignac number, because 124531669 - 2⁹ = 124531157 is a prime.

It is a super-2 number, since 2×124531669² = 31016273167851122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124531679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62265834 + 62265835.

It is an arithmetic number, because the mean of its divisors is an integer number (62265835).

Almost surely, 2^124531669 is an apocalyptic number.

It is an amenable number.

124531669 is a deficient number, since it is larger than the sum of its proper divisors (1).

124531669 is an equidigital number, since it uses as much as digits as its factorization.

124531669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 124531669 is about 11159.3758338000. The cubic root of 124531669 is about 499.3747771854.

The spelling of 124531669 in words is "one hundred twenty-four million, five hundred thirty-one thousand, six hundred sixty-nine".