124292449 has 2 divisors, whose sum is σ = 124292450. Its totient is φ = 124292448.

The previous prime is 124292447. The next prime is 124292459. The reversal of 124292449 is 944292421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 8880400 = 10743^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 124292449 - 2¹ = 124292447 is a prime.

It is a super-2 number, since 2×124292449² = 30897225756835202, which contains 22 as substring.

Together with 124292447, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124292447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62146224 + 62146225.

It is an arithmetic number, because the mean of its divisors is an integer number (62146225).

Almost surely, 2^124292449 is an apocalyptic number.

It is an amenable number.

124292449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124292449 is an equidigital number, since it uses as much as digits as its factorization.

124292449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 124292449 is about 11148.6523400813. The cubic root of 124292449 is about 499.0548130358.

It can be divided in two parts, 12429 and 2449, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 124292449 in words is "one hundred twenty-four million, two hundred ninety-two thousand, four hundred forty-nine".