124390829 has 2 divisors, whose sum is σ = 124390830. Its totient is φ = 124390828.

The previous prime is 124390823. The next prime is 124390837. The reversal of 124390829 is 928093421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111788329 + 12602500 = 10573^2 + 3550^2 .

It is an emirp because it is prime and its reverse (928093421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124390829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124390792 and 124390801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124390823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62195414 + 62195415.

It is an arithmetic number, because the mean of its divisors is an integer number (62195415).

Almost surely, 2^124390829 is an apocalyptic number.

It is an amenable number.

124390829 is a deficient number, since it is larger than the sum of its proper divisors (1).

124390829 is an equidigital number, since it uses as much as digits as its factorization.

124390829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 124390829 is about 11153.0636598201. The cubic root of 124390829 is about 499.1864489874.

The spelling of 124390829 in words is "one hundred twenty-four million, three hundred ninety thousand, eight hundred twenty-nine".