124822013 has 2 divisors, whose sum is σ = 124822014. Its totient is φ = 124822012.

The previous prime is 124821997. The next prime is 124822031. The reversal of 124822013 is 310228421.

It is a happy number.

Together with next prime (124822031) 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., 72216004 + 52606009 = 8498^2 + 7253^2 .

It is an emirp because it is prime and its reverse (310228421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124822013 - 2⁴ = 124821997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124822013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124822613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62411006 + 62411007.

It is an arithmetic number, because the mean of its divisors is an integer number (62411007).

Almost surely, 2^124822013 is an apocalyptic number.

It is an amenable number.

124822013 is a deficient number, since it is larger than the sum of its proper divisors (1).

124822013 is an equidigital number, since it uses as much as digits as its factorization.

124822013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 124822013 is about 11172.3772313684. The cubic root of 124822013 is about 499.7625712730.

The spelling of 124822013 in words is "one hundred twenty-four million, eight hundred twenty-two thousand, thirteen".