124500949 has 2 divisors, whose sum is σ = 124500950. Its totient is φ = 124500948.

The previous prime is 124500947. The next prime is 124500997. The reversal of 124500949 is 949005421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 58599025 = 8118^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 124500949 - 2¹ = 124500947 is a prime.

Together with 124500947, it forms a pair of twin primes.

It is equal to p_7083376 and since 124500949 and 7083376 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124500947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62250474 + 62250475.

It is an arithmetic number, because the mean of its divisors is an integer number (62250475).

Almost surely, 2^124500949 is an apocalyptic number.

It is an amenable number.

124500949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124500949 is an equidigital number, since it uses as much as digits as its factorization.

124500949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 124500949 is about 11157.9993278365. Note that the first 3 decimals coincide. The cubic root of 124500949 is about 499.3337111795. Note that the first 3 decimals are identical.

The spelling of 124500949 in words is "one hundred twenty-four million, five hundred thousand, nine hundred forty-nine".