129633051 has 8 divisors (see below), whose sum is σ = 173053440. Its totient is φ = 86317352.

The previous prime is 129633043. The next prime is 129633059. The reversal of 129633051 is 150336921.

It is an interprime number because it is at equal distance from previous prime (129633043) and next prime (129633059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129633051 - 2³ = 129633043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129633059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23235 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (21631680).

Almost surely, 2^129633051 is an apocalyptic number.

129633051 is a deficient number, since it is larger than the sum of its proper divisors (43420389).

129633051 is an equidigital number, since it uses as much as digits as its factorization.

129633051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52345.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 129633051 is about 11385.6511012766. The cubic root of 129633051 is about 506.1026144953.

Adding to 129633051 its reverse (150336921), we get a palindrome (279969972).

The spelling of 129633051 in words is "one hundred twenty-nine million, six hundred thirty-three thousand, fifty-one".