632000129 has 2 divisors, whose sum is σ = 632000130. Its totient is φ = 632000128.

The previous prime is 632000123. The next prime is 632000147. The reversal of 632000129 is 921000236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391129729 + 240870400 = 19777^2 + 15520^2 .

It is a cyclic number.

It is not a de Polignac number, because 632000129 - 2²⁸ = 363564673 is a prime.

It is not a weakly prime, because it can be changed into another prime (632000123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316000064 + 316000065.

It is an arithmetic number, because the mean of its divisors is an integer number (316000065).

Almost surely, 2^632000129 is an apocalyptic number.

It is an amenable number.

632000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

632000129 is an equidigital number, since it uses as much as digits as its factorization.

632000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 632000129 is about 25139.6127456252. The cubic root of 632000129 is about 858.1681437933.

The spelling of 632000129 in words is "six hundred thirty-two million, one hundred twenty-nine", and thus it is an aban number.