129040753 has 2 divisors, whose sum is σ = 129040754. Its totient is φ = 129040752.

The previous prime is 129040739. The next prime is 129040757. The reversal of 129040753 is 357040921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127983969 + 1056784 = 11313^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 129040753 - 2¹⁷ = 128909681 is a prime.

It is a super-3 number, since 3×129040753³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (129040757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64520376 + 64520377.

It is an arithmetic number, because the mean of its divisors is an integer number (64520377).

Almost surely, 2^129040753 is an apocalyptic number.

It is an amenable number.

129040753 is a deficient number, since it is larger than the sum of its proper divisors (1).

129040753 is an equidigital number, since it uses as much as digits as its factorization.

129040753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 129040753 is about 11359.6106007204. The cubic root of 129040753 is about 505.3306373133.

The spelling of 129040753 in words is "one hundred twenty-nine million, forty thousand, seven hundred fifty-three".