129792246 has 32 divisors (see below), whose sum is σ = 278183808. Its totient is φ = 40225920.

The previous prime is 129792241. The next prime is 129792277. The reversal of 129792246 is 642297921.

It is a junction number, because it is equal to n+sod(n) for n = 129792198 and 129792207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129792241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (8693244).

Almost surely, 2^129792246 is an apocalyptic number.

129792246 is an abundant number, since it is smaller than the sum of its proper divisors (148391562).

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

129792246 is a wasteful number, since it uses less digits than its factorization.

129792246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15436.

The product of its digits is 108864, while the sum is 42.

The square root of 129792246 is about 11392.6399925566. The cubic root of 129792246 is about 506.3097017230.

It can be divided in two parts, 12979 and 2246, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 129792246 in words is "one hundred twenty-nine million, seven hundred ninety-two thousand, two hundred forty-six".