129041363 has 4 divisors (see below), whose sum is σ = 140772408. Its totient is φ = 117310320.

The previous prime is 129041357. The next prime is 129041371. The reversal of 129041363 is 363140921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129041363 - 2⁴ = 129041347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129041303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865506 + ... + 5865527.

It is an arithmetic number, because the mean of its divisors is an integer number (35193102).

Almost surely, 2^129041363 is an apocalyptic number.

129041363 is a deficient number, since it is larger than the sum of its proper divisors (11731045).

129041363 is a wasteful number, since it uses less digits than its factorization.

129041363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11731044.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 129041363 is about 11359.6374502006. The cubic root of 129041363 is about 505.3314335765.

The spelling of 129041363 in words is "one hundred twenty-nine million, forty-one thousand, three hundred sixty-three".