126315433 has 2 divisors, whose sum is σ = 126315434. Its totient is φ = 126315432.

The previous prime is 126315419. The next prime is 126315443. The reversal of 126315433 is 334513621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126157824 + 157609 = 11232^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 126315433 - 2⁹ = 126314921 is a prime.

It is a super-3 number, since 3×126315433³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (126315403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63157716 + 63157717.

It is an arithmetic number, because the mean of its divisors is an integer number (63157717).

Almost surely, 2^126315433 is an apocalyptic number.

It is an amenable number.

126315433 is a deficient number, since it is larger than the sum of its proper divisors (1).

126315433 is an equidigital number, since it uses as much as digits as its factorization.

126315433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 126315433 is about 11239.0138802299. The cubic root of 126315433 is about 501.7477939802.

The spelling of 126315433 in words is "one hundred twenty-six million, three hundred fifteen thousand, four hundred thirty-three".