126130519 has 2 divisors, whose sum is σ = 126130520. Its totient is φ = 126130518.

The previous prime is 126130489. The next prime is 126130559. The reversal of 126130519 is 915031621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126130519 - 2²⁵ = 92576087 is a prime.

It is a super-2 number, since 2×126130519² = 31817815646418722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126130559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63065259 + 63065260.

It is an arithmetic number, because the mean of its divisors is an integer number (63065260).

Almost surely, 2^126130519 is an apocalyptic number.

126130519 is a deficient number, since it is larger than the sum of its proper divisors (1).

126130519 is an equidigital number, since it uses as much as digits as its factorization.

126130519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 126130519 is about 11230.7844338675. The cubic root of 126130519 is about 501.5028371024.

The spelling of 126130519 in words is "one hundred twenty-six million, one hundred thirty thousand, five hundred nineteen".