80032129 has 2 divisors, whose sum is σ = 80032130. Its totient is φ = 80032128.

The previous prime is 80032109. The next prime is 80032151. The reversal of 80032129 is 92123008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 37847104 = 6495^2 + 6152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80032129 is a prime.

It is not a weakly prime, because it can be changed into another prime (80032109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40016064 + 40016065.

It is an arithmetic number, because the mean of its divisors is an integer number (40016065).

Almost surely, 2^80032129 is an apocalyptic number.

It is an amenable number.

80032129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80032129 is an equidigital number, since it uses as much as digits as its factorization.

80032129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80032129 is about 8946.0677954060. The cubic root of 80032129 is about 430.9446134795.

The spelling of 80032129 in words is "eighty million, thirty-two thousand, one hundred twenty-nine".