126945319 has 2 divisors, whose sum is σ = 126945320. Its totient is φ = 126945318.

The previous prime is 126945283. The next prime is 126945323. The reversal of 126945319 is 913549621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126945319 - 2¹³ = 126937127 is a prime.

It is a super-2 number, since 2×126945319² = 32230228032023522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126945359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63472659 + 63472660.

It is an arithmetic number, because the mean of its divisors is an integer number (63472660).

Almost surely, 2^126945319 is an apocalyptic number.

126945319 is a deficient number, since it is larger than the sum of its proper divisors (1).

126945319 is an equidigital number, since it uses as much as digits as its factorization.

126945319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 126945319 is about 11267.0013313215. The cubic root of 126945319 is about 502.5804186368.

The spelling of 126945319 in words is "one hundred twenty-six million, nine hundred forty-five thousand, three hundred nineteen".