129133052 has 6 divisors (see below), whose sum is σ = 225982848. Its totient is φ = 64566524.

The previous prime is 129133051. The next prime is 129133061. The reversal of 129133052 is 250331921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129133051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16141628 + ... + 16141635.

It is an arithmetic number, because the mean of its divisors is an integer number (37663808).

Almost surely, 2^129133052 is an apocalyptic number.

It is an amenable number.

129133052 is a deficient number, since it is larger than the sum of its proper divisors (96849796).

129133052 is a wasteful number, since it uses less digits than its factorization.

129133052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32283267 (or 32283265 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 129133052 is about 11363.6724697608. The cubic root of 129133052 is about 505.4510912407.

Adding to 129133052 its reverse (250331921), we get a palindrome (379464973).

It can be divided in two parts, 1291 and 33052, that added together give a palindrome (34343).

The spelling of 129133052 in words is "one hundred twenty-nine million, one hundred thirty-three thousand, fifty-two".