124203113 has 2 divisors, whose sum is σ = 124203114. Its totient is φ = 124203112.

The previous prime is 124203073. The next prime is 124203119. The reversal of 124203113 is 311302421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93644329 + 30558784 = 9677^2 + 5528^2 .

It is a cyclic number.

It is not a de Polignac number, because 124203113 - 2²⁴ = 107425897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124203091 and 124203100.

It is not a weakly prime, because it can be changed into another prime (124203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62101556 + 62101557.

It is an arithmetic number, because the mean of its divisors is an integer number (62101557).

Almost surely, 2^124203113 is an apocalyptic number.

It is an amenable number.

124203113 is a deficient number, since it is larger than the sum of its proper divisors (1).

124203113 is an equidigital number, since it uses as much as digits as its factorization.

124203113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 124203113 is about 11144.6450369673. The cubic root of 124203113 is about 498.9352180886.

Adding to 124203113 its reverse (311302421), we get a palindrome (435505534).

The spelling of 124203113 in words is "one hundred twenty-four million, two hundred three thousand, one hundred thirteen".