126450131279 has 2 divisors, whose sum is σ = 126450131280. Its totient is φ = 126450131278.

The previous prime is 126450131243. The next prime is 126450131287. The reversal of 126450131279 is 972131054621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126450131279 - 2¹² = 126450127183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126450131299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63225065639 + 63225065640.

It is an arithmetic number, because the mean of its divisors is an integer number (63225065640).

Almost surely, 2^126450131279 is an apocalyptic number.

126450131279 is a deficient number, since it is larger than the sum of its proper divisors (1).

126450131279 is an equidigital number, since it uses as much as digits as its factorization.

126450131279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 126450131279 in words is "one hundred twenty-six billion, four hundred fifty million, one hundred thirty-one thousand, two hundred seventy-nine".