124432313 has 2 divisors, whose sum is σ = 124432314. Its totient is φ = 124432312.

The previous prime is 124432309. The next prime is 124432331. The reversal of 124432313 is 313234421.

Together with next prime (124432331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120055849 + 4376464 = 10957^2 + 2092^2 .

It is an emirp because it is prime and its reverse (313234421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124432313 - 2² = 124432309 is a prime.

It is not a weakly prime, because it can be changed into another prime (124432013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62216156 + 62216157.

It is an arithmetic number, because the mean of its divisors is an integer number (62216157).

Almost surely, 2^124432313 is an apocalyptic number.

It is an amenable number.

124432313 is a deficient number, since it is larger than the sum of its proper divisors (1).

124432313 is an equidigital number, since it uses as much as digits as its factorization.

124432313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 124432313 is about 11154.9232628468. The cubic root of 124432313 is about 499.2419352565.

Adding to 124432313 its reverse (313234421), we get a palindrome (437666734).

The spelling of 124432313 in words is "one hundred twenty-four million, four hundred thirty-two thousand, three hundred thirteen".