126336031 has 2 divisors, whose sum is σ = 126336032. Its totient is φ = 126336030.

The previous prime is 126335999. The next prime is 126336037. The reversal of 126336031 is 130633621.

It is a strong prime.

It is an emirp because it is prime and its reverse (130633621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126336031 - 2⁵ = 126335999 is a prime.

It is a super-2 number, since 2×126336031² = 31921585457665922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126335987 and 126336005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126336037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63168015 + 63168016.

It is an arithmetic number, because the mean of its divisors is an integer number (63168016).

Almost surely, 2^126336031 is an apocalyptic number.

126336031 is a deficient number, since it is larger than the sum of its proper divisors (1).

126336031 is an equidigital number, since it uses as much as digits as its factorization.

126336031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 126336031 is about 11239.9302044096. The cubic root of 126336031 is about 501.7750654943.

Adding to 126336031 its reverse (130633621), we get a palindrome (256969652).

The spelling of 126336031 in words is "one hundred twenty-six million, three hundred thirty-six thousand, thirty-one".