126333131 has 2 divisors, whose sum is σ = 126333132. Its totient is φ = 126333130.

The previous prime is 126333073. The next prime is 126333149. The reversal of 126333131 is 131333621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126333131 - 2¹⁴ = 126316747 is a prime.

It is a super-2 number, since 2×126333131² = 31920119976526322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126333097 and 126333106.

It is not a weakly prime, because it can be changed into another prime (126333191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63166565 + 63166566.

It is an arithmetic number, because the mean of its divisors is an integer number (63166566).

Almost surely, 2^126333131 is an apocalyptic number.

126333131 is a deficient number, since it is larger than the sum of its proper divisors (1).

126333131 is an equidigital number, since it uses as much as digits as its factorization.

126333131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 126333131 is about 11239.8011993095. The cubic root of 126333131 is about 501.7712261071.

Adding to 126333131 its reverse (131333621), we get a palindrome (257666752).

The spelling of 126333131 in words is "one hundred twenty-six million, three hundred thirty-three thousand, one hundred thirty-one".