129262848 has 216 divisors, whose sum is σ = 411040224. Its totient is φ = 35819520.

The previous prime is 129262811. The next prime is 129262853. The reversal of 129262848 is 848262921.

It is a super-2 number, since 2×129262848² = 33417767746142208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208011 + ... + 1208117.

It is an arithmetic number, because the mean of its divisors is an integer number (1902964).

Almost surely, 2^129262848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129262848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205520112).

129262848 is an abundant number, since it is smaller than the sum of its proper divisors (281777376).

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

129262848 is a wasteful number, since it uses less digits than its factorization.

129262848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 136 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 129262848 is about 11369.3820412545. The cubic root of 129262848 is about 505.6203831979.

The spelling of 129262848 in words is "one hundred twenty-nine million, two hundred sixty-two thousand, eight hundred forty-eight".