126719 has 2 divisors, whose sum is σ = 126720. Its totient is φ = 126718.

The previous prime is 126713. The next prime is 126733. The reversal of 126719 is 917621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126719 - 2⁴ = 126703 is a prime.

It is a super-2 number, since 2×126719² = 32115409922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63359 + 63360.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2¹²⁶⁷¹⁹ is an apocalyptic number.

126719 is a deficient number, since it is larger than the sum of its proper divisors (1).

126719 is an equidigital number, since it uses as much as digits as its factorization.

126719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

The square root of 126719 is about 355.9761227948. The cubic root of 126719 is about 50.2281573013.

The spelling of 126719 in words is "one hundred twenty-six thousand, seven hundred nineteen".