124380929 has 2 divisors, whose sum is σ = 124380930. Its totient is φ = 124380928.

The previous prime is 124380923. The next prime is 124380931. The reversal of 124380929 is 929083421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 37797904 = 9305^2 + 6148^2 .

It is a cyclic number.

It is not a de Polignac number, because 124380929 - 2¹⁶ = 124315393 is a prime.

Together with 124380931, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124380892 and 124380901.

It is not a weakly prime, because it can be changed into another prime (124380923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62190464 + 62190465.

It is an arithmetic number, because the mean of its divisors is an integer number (62190465).

Almost surely, 2^124380929 is an apocalyptic number.

It is an amenable number.

124380929 is a deficient number, since it is larger than the sum of its proper divisors (1).

124380929 is an equidigital number, since it uses as much as digits as its factorization.

124380929 is an evil number, because the sum of its binary digits is even.

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

The square root of 124380929 is about 11152.6198267492. The cubic root of 124380929 is about 499.1732055755.

The spelling of 124380929 in words is "one hundred twenty-four million, three hundred eighty thousand, nine hundred twenty-nine".