129225348 has 72 divisors (see below), whose sum is σ = 389743200. Its totient is φ = 36920016.

The previous prime is 129225337. The next prime is 129225353. The reversal of 129225348 is 843522921.

It is a happy number.

129225348 is a `hidden beast` number, since 1 + 292 + 25 + 348 = 666.

It is a super-2 number, since 2×129225348² = 33398381131442208, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6918 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (5413100).

Almost surely, 2^129225348 is an apocalyptic number.

129225348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

129225348 is an abundant number, since it is smaller than the sum of its proper divisors (260517852).

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

129225348 is a wasteful number, since it uses less digits than its factorization.

129225348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24446 (or 24431 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 129225348 is about 11367.7327554794. The cubic root of 129225348 is about 505.5714838725.

The spelling of 129225348 in words is "one hundred twenty-nine million, two hundred twenty-five thousand, three hundred forty-eight".