126075331 has 2 divisors, whose sum is σ = 126075332. Its totient is φ = 126075330.

The previous prime is 126075329. The next prime is 126075347. The reversal of 126075331 is 133570621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126075331 - 2¹ = 126075329 is a prime.

It is a super-2 number, since 2×126075331² = 31789978173519122, which contains 22 as substring.

Together with 126075329, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 126075331.

It is not a weakly prime, because it can be changed into another prime (126075361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63037665 + 63037666.

It is an arithmetic number, because the mean of its divisors is an integer number (63037666).

Almost surely, 2^126075331 is an apocalyptic number.

126075331 is a deficient number, since it is larger than the sum of its proper divisors (1).

126075331 is an equidigital number, since it uses as much as digits as its factorization.

126075331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 126075331 is about 11228.3271683720. The cubic root of 126075331 is about 501.4296827846.

The spelling of 126075331 in words is "one hundred twenty-six million, seventy-five thousand, three hundred thirty-one".