129150792 has 24 divisors (see below), whose sum is σ = 349783590. Its totient is φ = 43050240.

The previous prime is 129150787. The next prime is 129150793. The reversal of 129150792 is 297051921.

It can be written as a sum of positive squares in only one way, i.e., 106626276 + 22524516 = 10326^2 + 4746^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (129150793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896809 + ... + 896952.

Almost surely, 2^129150792 is an apocalyptic number.

129150792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129150792 is an abundant number, since it is smaller than the sum of its proper divisors (220632798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129150792 is a wasteful number, since it uses less digits than its factorization.

129150792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793773 (or 1793766 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 129150792 is about 11364.4530004748. The cubic root of 129150792 is about 505.4742360815.

The spelling of 129150792 in words is "one hundred twenty-nine million, one hundred fifty thousand, seven hundred ninety-two".