129860699 has 2 divisors, whose sum is σ = 129860700. Its totient is φ = 129860698.

The previous prime is 129860683. The next prime is 129860719. The reversal of 129860699 is 996068921.

It is a weak prime.

It is an emirp because it is prime and its reverse (996068921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129860699 - 2⁴ = 129860683 is a prime.

It is a super-2 number, since 2×129860699² = 33727602289537202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129860659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64930349 + 64930350.

It is an arithmetic number, because the mean of its divisors is an integer number (64930350).

Almost surely, 2^129860699 is an apocalyptic number.

129860699 is a deficient number, since it is larger than the sum of its proper divisors (1).

129860699 is an equidigital number, since it uses as much as digits as its factorization.

129860699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 129860699 is about 11395.6438607040. The cubic root of 129860699 is about 506.3986960656.

The spelling of 129860699 in words is "one hundred twenty-nine million, eight hundred sixty thousand, six hundred ninety-nine".