71260129 has 2 divisors, whose sum is σ = 71260130. Its totient is φ = 71260128.

The previous prime is 71260117. The next prime is 71260153. The reversal of 71260129 is 92106217.

It is a happy number.

71260129 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 5650129 = 8100^2 + 2377^2 .

It is a cyclic number.

It is not a de Polignac number, because 71260129 - 2⁵ = 71260097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71260097 and 71260106.

It is not a weakly prime, because it can be changed into another prime (71260169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35630064 + 35630065.

It is an arithmetic number, because the mean of its divisors is an integer number (35630065).

Almost surely, 2^71260129 is an apocalyptic number.

It is an amenable number.

71260129 is a deficient number, since it is larger than the sum of its proper divisors (1).

71260129 is an equidigital number, since it uses as much as digits as its factorization.

71260129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 71260129 is about 8441.5714769230. The cubic root of 71260129 is about 414.5868613141.

The spelling of 71260129 in words is "seventy-one million, two hundred sixty thousand, one hundred twenty-nine".