129982651 has 2 divisors, whose sum is σ = 129982652. Its totient is φ = 129982650.

The previous prime is 129982583. The next prime is 129982661. The reversal of 129982651 is 156289921.

It is a strong prime.

It is an emirp because it is prime and its reverse (156289921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129982651 - 2¹⁹ = 129458363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129982598 and 129982607.

It is not a weakly prime, because it can be changed into another prime (129982661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64991325 + 64991326.

It is an arithmetic number, because the mean of its divisors is an integer number (64991326).

Almost surely, 2^129982651 is an apocalyptic number.

129982651 is a deficient number, since it is larger than the sum of its proper divisors (1).

129982651 is an equidigital number, since it uses as much as digits as its factorization.

129982651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 43.

The square root of 129982651 is about 11400.9934216278. The cubic root of 129982651 is about 506.5571659044.

The spelling of 129982651 in words is "one hundred twenty-nine million, nine hundred eighty-two thousand, six hundred fifty-one".