129583801 has 2 divisors, whose sum is σ = 129583802. Its totient is φ = 129583800.

The previous prime is 129583789. The next prime is 129583807. The reversal of 129583801 is 108385921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91699776 + 37884025 = 9576^2 + 6155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129583801 is a prime.

It is a super-2 number, since 2×129583801² = 33583922963215202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (129583807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64791900 + 64791901.

It is an arithmetic number, because the mean of its divisors is an integer number (64791901).

Almost surely, 2^129583801 is an apocalyptic number.

It is an amenable number.

129583801 is a deficient number, since it is larger than the sum of its proper divisors (1).

129583801 is an equidigital number, since it uses as much as digits as its factorization.

129583801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 129583801 is about 11383.4880858197. The cubic root of 129583801 is about 506.0385137875.

The spelling of 129583801 in words is "one hundred twenty-nine million, five hundred eighty-three thousand, eight hundred one".