126719699 has 2 divisors, whose sum is σ = 126719700. Its totient is φ = 126719698.

The previous prime is 126719693. The next prime is 126719741. The reversal of 126719699 is 996917621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126719699 - 2¹⁶ = 126654163 is a prime.

It is a super-2 number, since 2×126719699² = 32115764229301202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126719693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63359849 + 63359850.

It is an arithmetic number, because the mean of its divisors is an integer number (63359850).

Almost surely, 2^126719699 is an apocalyptic number.

126719699 is a deficient number, since it is larger than the sum of its proper divisors (1).

126719699 is an equidigital number, since it uses as much as digits as its factorization.

126719699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 50.

The square root of 126719699 is about 11256.9844541067. The cubic root of 126719699 is about 502.2824965638.

The spelling of 126719699 in words is "one hundred twenty-six million, seven hundred nineteen thousand, six hundred ninety-nine".