124203031 has 2 divisors, whose sum is σ = 124203032. Its totient is φ = 124203030.

The previous prime is 124203029. The next prime is 124203047. The reversal of 124203031 is 130302421.

It is a happy number.

It is an a-pointer prime, because the next prime (124203047) can be obtained adding 124203031 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (130302421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124203031 - 2¹ = 124203029 is a prime.

It is a super-2 number, since 2×124203031² = 30852785819173922, which contains 22 as substring.

Together with 124203029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124202996 and 124203014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124203011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62101515 + 62101516.

It is an arithmetic number, because the mean of its divisors is an integer number (62101516).

Almost surely, 2^124203031 is an apocalyptic number.

124203031 is a deficient number, since it is larger than the sum of its proper divisors (1).

124203031 is an equidigital number, since it uses as much as digits as its factorization.

124203031 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 16.

The square root of 124203031 is about 11144.6413580698. The cubic root of 124203031 is about 498.9351082881.

Adding to 124203031 its reverse (130302421), we get a palindrome (254505452).

It can be divided in two parts, 12420 and 3031, that added together give a palindrome (15451).

The spelling of 124203031 in words is "one hundred twenty-four million, two hundred three thousand, thirty-one".