29170120 has 32 divisors (see below), whose sum is σ = 75009600. Its totient is φ = 10001088.

The previous prime is 29170109. The next prime is 29170121. The reversal of 29170120 is 2107192.

It is a junction number, because it is equal to n+sod(n) for n = 29170091 and 29170100.

It is not an unprimeable number, because it can be changed into a prime (29170121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51810 + ... + 52369.

It is an arithmetic number, because the mean of its divisors is an integer number (2344050).

Almost surely, 2^29170120 is an apocalyptic number.

29170120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29170120 is an abundant number, since it is smaller than the sum of its proper divisors (45839480).

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

29170120 is a wasteful number, since it uses less digits than its factorization.

29170120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104197 (or 104193 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 29170120 is about 5400.9369557513. The cubic root of 29170120 is about 307.8312731900.

The spelling of 29170120 in words is "twenty-nine million, one hundred seventy thousand, one hundred twenty".