124024321 has 2 divisors, whose sum is σ = 124024322. Its totient is φ = 124024320.

The previous prime is 124024301. The next prime is 124024337. The reversal of 124024321 is 123420421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 19678096 = 10215^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 124024321 - 2⁵ = 124024289 is a prime.

It is a super-2 number, since 2×124024321² = 30764064399022082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124024301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62012160 + 62012161.

It is an arithmetic number, because the mean of its divisors is an integer number (62012161).

Almost surely, 2^124024321 is an apocalyptic number.

It is an amenable number.

124024321 is a deficient number, since it is larger than the sum of its proper divisors (1).

124024321 is an equidigital number, since it uses as much as digits as its factorization.

124024321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 124024321 is about 11136.6207172553. The cubic root of 124024321 is about 498.6956952032.

Adding to 124024321 its reverse (123420421), we get a palindrome (247444742).

The spelling of 124024321 in words is "one hundred twenty-four million, twenty-four thousand, three hundred twenty-one".