124504729 has 2 divisors, whose sum is σ = 124504730. Its totient is φ = 124504728.

The previous prime is 124504673. The next prime is 124504747. The reversal of 124504729 is 927405421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68029504 + 56475225 = 8248^2 + 7515^2 .

It is a cyclic number.

It is not a de Polignac number, because 124504729 - 2⁹ = 124504217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124504694 and 124504703.

It is not a weakly prime, because it can be changed into another prime (124504769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62252364 + 62252365.

It is an arithmetic number, because the mean of its divisors is an integer number (62252365).

Almost surely, 2^124504729 is an apocalyptic number.

It is an amenable number.

124504729 is a deficient number, since it is larger than the sum of its proper divisors (1).

124504729 is an equidigital number, since it uses as much as digits as its factorization.

124504729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 124504729 is about 11158.1687117555. The cubic root of 124504729 is about 499.3387645876.

The spelling of 124504729 in words is "one hundred twenty-four million, five hundred four thousand, seven hundred twenty-nine".